vulnerability
Debian: CVE-2023-30571: libarchive -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:S/C:N/I:P/A:C) | May 29, 2023 | May 15, 2025 | May 27, 2025 |
Severity
5
CVSS
(AV:L/AC:M/Au:S/C:N/I:P/A:C)
Published
May 29, 2023
Added
May 15, 2025
Modified
May 27, 2025
Description
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.
Solution
no-fix-debian-deb-package
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