Domain-Bypass Transient Execution Vulnerability in Intel Microcode: CVE-2020-24513
Summary
UBUNTU-CVE-2020-24513: Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Affects intel-microcode versions < 3.20210608.0ubuntu0.14.04.1+esm1. Fixed in 3.20210608.0ubuntu0.14.04.1+esm1. How to fix ↓
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Background
Intel Microcode is a critical component that updates the internal instructions of Intel processors, ensuring optimal performance and security. It plays a vital role in managing processor behavior and mitigating vulnerabilities. The package is essential for maintaining the integrity and security of systems running on Intel architecture, particularly in Ubuntu environments.
Vulnerability Detail
CVE-2020-24513 is a domain-bypass transient execution vulnerability affecting some Intel Atom processors. This vulnerability allows an authenticated user to potentially enable information disclosure via local access. The flaw arises from the way the processor handles certain operations, which could lead to sensitive information being exposed to unauthorized users. The ramifications of this vulnerability could be severe, as it may allow attackers to gain access to confidential data.
How To Fix
Minimum fixed version
3.20210608.0ubuntu0.14.04.1+esm1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade intel-microcodeTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds available for this vulnerability. It is recommended to apply the patch as soon as it is available.
Conclusion
CVE-2020-24513 is a significant vulnerability in Intel Microcode that can lead to information disclosure. It is crucial for users to update their systems to the patched version to mitigate the risks associated with this vulnerability. Regular monitoring and updates are essential for maintaining system security.
See every vulnerability recorded for intel-microcode →
FAQ
CVE-2020-24513 is a vulnerability in Intel Microcode that allows information disclosure through a domain-bypass transient execution flaw.
The vulnerability affects systems running on certain Intel Atom processors and the Intel Microcode package on Ubuntu.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
The CVSS score for CVE-2020-24513 is 6.5, indicating a medium level of severity.
No subscription is required for the patched version of the Intel Microcode package for Ubuntu 18.04 and 20.04.
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