SB20240910157 - Path traversal in nix
Published: September 10, 2024 Updated: April 8, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2024-45593)
The vulnerability allows a remote user to write to arbitrary file system locations accessible to the Nix process.
The vulnerability exists due to improper path restriction in NAR unpacking when processing a crafted NAR. A remote user can supply a specially crafted NAR to write to arbitrary file system locations accessible to the Nix process.
When the Nix daemon is used, the file writes occur with root permissions. User interaction is required to unpack the crafted NAR.
Remediation
Install update from vendor's website.