Escalation of Privilege Vulnerability in Intel Microcode Packages
Summary
UBUNTU-CVE-2024-28127: Improper input validation in UEFI firmware for some Intel(R) Processors may allow a 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 ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Intel Microcode is a critical component of Intel processors that provides updates to the processor's firmware, enhancing performance and security. It plays a vital role in ensuring the stability and security of systems running on Intel hardware. However, certain versions of Intel Microcode across various Ubuntu LTS releases have been found to be vulnerable to improper input validation, which could lead to serious security issues.
Vulnerability Detail
The vulnerability, identified as CVE-2024-28127, arises from improper input validation in the UEFI firmware of some Intel processors. This flaw allows a privileged user to potentially escalate their privileges via local access, which could lead to unauthorized access to sensitive information or system control. The vulnerability has a CVSS score of 7.5, indicating a high severity level, and affects multiple versions of the Intel Microcode package across different Ubuntu distributions.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, users are advised to limit local access to systems running vulnerable versions of Intel Microcode until the package can be updated. This may involve restricting physical access to the machines or implementing additional user access controls.
Conclusion
The CVE-2024-28127 vulnerability in Intel Microcode poses a significant risk to systems running affected versions of the package. Users are strongly encouraged to update their packages to the latest versions to mitigate potential threats. For ongoing monitoring, tools like Vulert can provide real-time alerts for vulnerabilities in open-source software.
See every vulnerability recorded for intel-microcode →
FAQ
CVE-2024-28127 is a vulnerability in Intel Microcode that allows a privileged user to escalate their privileges through improper input validation in UEFI firmware.
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 without needing to sign up.
The risks include unauthorized access to sensitive information and the ability to control the system, which can lead to data breaches or system compromise.
Yes, there are patched versions of the Intel Microcode package available for various Ubuntu distributions. Users should update to these versions to mitigate the risk.
If immediate updates are not possible, implement access controls to limit local access to the affected systems as a temporary measure.
Related vulnerabilities
Recent vulnerabilities recorded for intel-microcode.
