VulnerabilityModified
CVE-2022-48303
GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump.
MEDIUM 5.5EPSS 1.48%
Does this matter?
Lower severity and a low EPSS score (1.48%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- gnu/tar · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/Mailing List, Third Party Advisory
- https://savannah.gnu.org/bugs/?62387Exploit, Vendor Advisory
- https://savannah.gnu.org/patch/?10307Patch, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/Mailing List, Third Party Advisory
- https://savannah.gnu.org/bugs/?62387Exploit, Vendor Advisory
- https://savannah.gnu.org/patch/?10307Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.