Out-of-Bounds Affecting tar package, versions <2:1.26-31.23.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-AMZN201803-TAR-3369646
  • published23 Mar 2023
  • disclosed30 Jan 2023

Introduced: 30 Jan 2023

CVE-2022-48303  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 tar to version 2:1.26-31.23.amzn1 or higher.
This issue was patched in ALAS-2023-1704.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.

CVSS Base Scores

version 3.1