#dos

**According to the CVSS metric, successful exploitation of this vulnerability has a high impact on availability (A:H). What does that mean for this vulnerability??** An attacker can send specially crafted packets which could impact availability of the service resulting in Denial of Service (DoS).

A potential Denial of Service (DoS) vulnerability has been identified in Keycloak, which could allow an administrative user with the rights to change realm settings to disrupt the service. This is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that is already terminated, leading to a failure of said request. Service disruption may happen, users will be unable to access applications relying on Keycloak, or any of the consoles provided by Keycloak itself on the affected realm.

This issue was identified during Quarkslab's audit of the timestamp feature. ### Summary During the timestamp signature generation, the revocation status of the certificate(s) used to generate the timestamp signature was not verified. ### Details During timestamp signature generation, notation-go did not check the revocation status of the certificate chain used by the TSA. This oversight creates a vulnerability that could be exploited through a Man-in-The-Middle attack. An attacker could potentially use a compromised, intermediate, or revoked leaf certificate to generate a malicious countersignature, which would then be accepted and stored by `notation`. ### Impact This could lead to denial of service scenarios, particularly in CI/CD environments during signature verification processes because timestamp signature would fail due to the presence of a revoked certificate(s) potentially disrupting operations.

A fake proof-of-concept (PoC) exploit designed to lure cybersecurity researchers into downloading malicious software. This deceptive tactic leverages a recently patched critical vulnerability in Microsoft's Windows LDAP service (CVE-2024-49113), which can cause denial-of-service attacks.

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The ABB BMS/BAS controller suffers from improper input validation on the port POST parameter in the webServerUpdate.php script. This input is not validated on the server side and relies on bypassable client-side checks using the inString.js script to verify that the port parameter contains only characters from the set (0123456789). Attackers can bypass these checks and supply arbitrary integer values. Exploitation of this issue can result in configuration poisoning, Denial of Service (DoS) through malformed configurations, or manipulation of server settings via Cross-Site Request Forgery (CSRF) combined with authentication bypass.

A Mirai botnet variant has been found exploiting a newly disclosed security flaw impacting Four-Faith industrial routers since early November 2024 with the goal of conducting distributed denial-of-service (DDoS) attacks. The botnet maintains approximately 15,000 daily active IP addresses, with the infections primarily scattered across China, Iran, Russia, Turkey, and the United States.

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 10.0 ATTENTION: Exploitable remotely/low attack complexity Vendor: ABB Equipment: ASPECT-Enterprise, NEXUS, and MATRIX series Vulnerabilities: Files or Directories Accessible to External Parties, Improper Validation of Specified Type of Input, Cleartext Transmission of Sensitive Information, Cross-site Scripting, Server-Side Request Forgery (SSRF), Improper Neutralization of Special Elements in Data Query Logic, Allocation of Resources Without Limits or Throttling, Weak Password Requirements, Cross-Site Request Forgery (CSRF), Use of Weak Hash, Code Injection, PHP Remote File Inclusion, External Control of System or Configuration Setting, Insufficiently Protected Credentials, Unrestricted Upload of File with Dangerous Type, Absolute Path Traversal, Use of Default Credentials, Off-by-one Error, Use of Default Password, Session Fixation 2. RISK EVALUATION Multiple vulnerabilities in ABB ASPECT-Enterprise, NEXUS, and MATRIX series products have been ...

### Impact A denial of service (DoS) vulnerability was discovered in go-git versions prior to `v5.13`. This vulnerability allows an attacker to perform denial of service attacks by providing specially crafted responses from a Git server which triggers resource exhaustion in `go-git` clients. This is a `go-git` implementation issue and does not affect the upstream `git` cli. ### Patches Users running versions of `go-git` from `v4` and above are recommended to upgrade to `v5.13` in order to mitigate this vulnerability. ### Workarounds In cases where a bump to the latest version of `go-git` is not possible, we recommend limiting its use to only trust-worthy Git servers. ## Credit Thanks to Ionut Lalu for responsibly disclosing this vulnerability to us.

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