CVE-2024-38531

Nix sandbox escape

Description

Nix is a package manager for Linux and other Unix systems that makes package management reliable and reproducible. A build process has access to and can change the permissions of the build directory. After creating a setuid binary in a globally accessible location, a malicious local user can assume the permissions of a Nix daemon worker and hijack all future builds. This issue was patched in version(s) 2.23.1, 2.22.2, 2.21.3, 2.20.7, 2.19.5 and 2.18.4.

Category

3.6
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.02%
Affected: NixOS nix
Published at:
Updated at:

References

Link Tags
https://github.com/NixOS/nix/security/advisories/GHSA-q82p-44mg-mgh5
https://github.com/NixOS/nix/pull/10501

Frequently Asked Questions

What is the severity of CVE-2024-38531?
CVE-2024-38531 has been scored as a low severity vulnerability.
How to fix CVE-2024-38531?
To fix CVE-2024-38531, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-38531 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-38531 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-38531?
CVE-2024-38531 affects NixOS nix.
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