Out-of-bounds Read Affecting tar package, versions <1.34-r1
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Test your applications- Snyk ID SNYK-ALPINE315-TAR-3326359
- published 21 Feb 2023
- disclosed 30 Jan 2023
Introduced: 30 Jan 2023
CVE-2022-48303 Open this link in a new tabHow to fix?
Upgrade Alpine:3.15 tar to version 1.34-r1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Alpine.
See How to fix? for Alpine:3.15 relevant fixed versions and status.
GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
References
- https://savannah.gnu.org/bugs/?62387
- https://savannah.gnu.org/patch/?10307
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/