Out-of-bounds Read Affecting tar package, versions <1.34-r0


Severity

Recommended
0.0
low
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.09% (42nd percentile)

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  • Snyk IDSNYK-ALPINE320-TAR-7011569
  • published23 May 2024
  • disclosed26 Mar 2021

Introduced: 26 Mar 2021

CVE-2021-20193  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Alpine:3.20 tar to version 1.34-r0 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:3.20 relevant fixed versions and status.

A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1