MGASA-2022-0488 - Updated libtar packages fix security vulnerability Publication date: 30 Dec 2022 URL: https://advisories.mageia.org/MGASA-2022-0488.html Type: security Affected Mageia releases: 8 CVE: CVE-2021-33640 After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free). (CVE-2021-33640) References: - https://bugs.mageia.org/show_bug.cgi?id=31337 - https://lists.fedoraproject.org/archives/list/[email protected]/thread/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/ - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33640 SRPMS: - 8/core/libtar-1.2.20-9.2.mga8
Mageia 2022-0488: libtar security update
After tar_close(), libtar.c releases the memory pointed to by pointer t
Summary
After tar_close(), libtar.c releases the memory pointed to by pointer t.
After tar_close() is called in the list() function, it continues to use
pointer t: free_longlink_longname(t->th_buf) . As a result, the released
memory is used (use-after-free). (CVE-2021-33640)
References
- https://bugs.mageia.org/show_bug.cgi?id=31337
- https://lists.fedoraproject.org/archives/list/[email protected]/thread/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33640
Resolution
MGASA-2022-0488 - Updated libtar packages fix security vulnerability
SRPMS
- 8/core/libtar-1.2.20-9.2.mga8
Severity
Publication date: 30 Dec 2022
URL: https://advisories.mageia.org/MGASA-2022-0488.html
Type: security
CVE: CVE-2021-33640
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