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CVE-2022-48303

Publication date 30 January 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
tar 23.04 lunar
Fixed 1.34+dfsg-1.2ubuntu0.1
22.10 kinetic
Fixed 1.34+dfsg-1ubuntu0.1.22.10.1
22.04 LTS jammy
Fixed 1.34+dfsg-1ubuntu0.1.22.04.1
20.04 LTS focal
Fixed 1.30+dfsg-7ubuntu0.20.04.3
18.04 LTS bionic
Fixed 1.29b-2ubuntu0.4
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
tar

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references