Vulnerability Monitor

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CVE-2023-30571

Libarchive through 3.6.2 can cause directories to have world-writable permissions. The umask() call inside archive_write_disk_posix.c changes the umask of the whole process for a very short period of time; a race condition with another thread can lead to a permanent umask 0 setting. Such a race condition could lead to implicit directory creation with permissions 0777 (without the sticky bit), which means that any low-privileged local user can delete and rename files inside those directories.

Published

2023-05-29T20:15:09.513

Last Modified

2025-01-14T17:15:11.673

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.9 (LOW)

Weaknesses
  • Type: Primary
    CWE-362
  • Type: Secondary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libarchive libarchive ≤ 3.6.2 Yes
References