Escalation of Privilege Vulnerability in Intel Microcode Packages
Summary
UBUNTU-CVE-2024-24582: Improper input validation in XmlCli feature for UEFI firmware for some Intel(R) processors may allow privileged user to potentially enable escalation of privilege via local access. Affects intel-microcode versions 1.20130906.1ubuntu2 – 3.20210608.0ubuntu0.14.04.1+esm1. No fix is published. How to fix ↓
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Background
Intel Microcode is a crucial component that provides updates to the processor's firmware, enhancing performance and security. It is essential for maintaining the stability and security of Intel processors across various Ubuntu distributions. This vulnerability affects multiple versions of the Intel Microcode package across different Ubuntu LTS releases, making it a significant concern for users relying on these systems.
Vulnerability Detail
The vulnerability, identified as CVE-2024-24582, stems from improper input validation in the XmlCli feature for UEFI firmware in certain Intel processors. This flaw could allow a privileged user to escalate their privileges through local access, potentially compromising the system's integrity and security. The vulnerability has a CVSS score of 7.5, indicating a high severity level that necessitates immediate attention.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary measure, users can limit access to the affected systems to trusted users only. Additionally, disabling the XmlCli feature in UEFI firmware settings may mitigate the risk until a full patch is applied.
Conclusion
The CVE-2024-24582 vulnerability in Intel Microcode packages poses a significant risk of privilege escalation for users of affected Ubuntu distributions. It is crucial to update to the latest patched version to ensure system security. Users are encouraged to utilize tools like Vulert for ongoing monitoring of vulnerabilities.
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FAQ
CVE-2024-24582 is a vulnerability in the Intel Microcode package that allows for potential escalation of privileges due to improper input validation.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability.
If exploited, this vulnerability could allow a malicious user to gain elevated privileges, potentially compromising the security and integrity of the system.
Yes, a patched version of the Intel Microcode package is available. Users should update to the latest version to mitigate the vulnerability.
If immediate updates are not possible, consider restricting access to the affected systems and disabling the XmlCli feature in UEFI firmware settings as a temporary workaround.
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