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A team of researchers from the CISPA Helmholtz Center for Information Security in Germany has disclosed an architectural bug impacting Chinese chip company T-Head's XuanTie C910 and C920 RISC-V CPUs that could allow attackers to gain unrestricted access to susceptible devices. The vulnerability has been codenamed GhostWrite. It has been described as a direct CPU bug embedded in the hardware, as

Open-source software that is free to download, deploy and modify is a vital component in the fight for cyber security. Freely available software not only helps defend systems that would otherwise be unprotected, but it also allows people to learn and develop vital cybersecurity skills. In this post, we review

View CSAF 1. EXECUTIVE SUMMARY CVSS v4 5.3 ATTENTION: Exploitable remotely/low attack complexity Vendor: Rockwell Automation Equipment: Pavilion8 Vulnerability: Missing Encryption of Sensitive Data 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to view sensitive data due to a lack of encryption. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions Rockwell Automation Pavilion8, a model predictive control software, are affected: Pavilion8: Versions v5.20 and later 3.2 Vulnerability Overview 3.2.1 MISSING ENCRYPTION OF SENSITIVE DATA CWE-311 A vulnerability exists in the affected product due to lack of encryption of sensitive information. The vulnerability results in data being sent between the Console and the Dashboard without encryption, which can be seen in the logs of proxy servers, potentially impacting the data's confidentiality. CVE-2024-40620 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calc...

**According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?** To successfully exploit this vulnerability, an attacker or the targeted user would need to achieve a high level of control over a machine, as the attack requires access to processes typically restricted from average users. Essentially, the exploitation necessitates elevated privileges on the compromised machine due to the requirement of manipulating processes beyond the reach of standard user permissions.

**How could an attacker exploit this vulnerability?** A cross-site scripting vulnerability existed in virtual public IP address that impacted related endpoints. For more information on the impacted virtual public IP address, see here: What is IP address 168.63.129.16? | Microsoft Learn. An unauthenticated attacker could exploit this vulnerability by getting the victim to load malicious code into their web browser on the virtual machine, allowing the attacker to leverage an implicit identity of the virtual machine. The victim's web browser then would determine which host endpoints are accessible.

**According to the CVSS metric, the attack vector is physical (AV:P). What does that mean for this vulnerability?** To exploit this vulnerability, an unauthenticated attacker needs to physically connect a malicious USB device to the victim's machine

**Windows 11, version 24H2 is not generally available yet. Why are there updates for this version of Windows listed in the Security Updates table?** The new Copilot+ devices that are now publicly available come with Windows 11, version 24H2 installed. Customers with these devices need to know about any vulnerabilities that affect their machine and to install the updates if they are not receiving automatic updates. Note that the general availability date for Windows 11, version 24H2 is scheduled for later this year.

**How could an attacker exploit this vulnerability?** Exploitation requires the victim to open a malicious Microsoft Office Project file on a system where the Block macros from running in Office files from the Internet policy is disabled and VBA Macro Notification Settings are not enabled allowing the attacker to perform remote code execution. * In an email attack scenario, an attacker could send the malicious file to the victim and convince them to open the file. * In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a malicious file designed to exploit the vulnerability. An attacker would have no way to force the victim to visit the website. Instead, an attacker would have to convince the victim to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the malicious file.

**Windows 11, version 24H2 is not generally available yet. Why are there updates for this version of Windows listed in the Security Updates table?** The new Copilot+ devices that are now publicly available come with Windows 11, version 24H2 installed. Customers with these devices need to know about any vulnerabilities that affect their machine and to install the updates if they are not receiving automatic updates. Note that the general availability date for Windows 11, version 24H2 is scheduled for later this year.

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could create or delete files in the security context of the NT AUTHORITY\\ SYSTEM account.