cve-2023-30571
Vulnerability from cvelistv5
Published
2023-05-29 00:00
Modified
2025-01-14 17:07
Severity ?
3.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS score ?
0.02% (0.03299)
Summary
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.
References
cve@mitre.orghttps://github.com/libarchive/libarchive/issues/1876Issue Tracking
cve@mitre.orghttps://groups.google.com/g/libarchive-announceRelease Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/libarchive/libarchive/issues/1876Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/libarchive-announceRelease Notes
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

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