CVE-2025-52993
BaseFortify
Publication date: 2025-06-27
Last updated on: 2025-06-30
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition in the Nix, Lix, and Guix package managers that allows an attacker to change the ownership of arbitrary files to the UID and GID of the build user (such as nixbld* or guixbuild*). This means that during the build process, an attacker can exploit timing issues to escalate privileges by modifying file ownership improperly. [1]
How can this vulnerability impact me? :
The vulnerability can lead to privilege escalation, allowing an attacker to gain unauthorized access or control by changing file ownership to privileged build users. This can compromise system security by enabling unauthorized modification or access to files, potentially leading to further exploitation or system compromise. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should update the affected package managers (Nix, Lix, and Guix) to the fixed versions. For Guix on Debian systems, upgrade to versions that include the patches, such as those beyond 1.4.0-38.0e79d5b or the fixed Debian package versions (e.g., bookworm 1.4.0-3+deb12u2 or later). Applying the official patches and updates from the Guix code repository and Debian security tracker is recommended to address the privilege escalation issue. [1]