Out-of-bounds Read Affecting tar package, versions <1.28-2.1ubuntu0.2+esm1


Severity

Recommended
0.0
low
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-UBUNTU1604-TAR-1126794
  • published26 Apr 2021
  • 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 Ubuntu:16.04 tar to version 1.28-2.1ubuntu0.2+esm1 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 Ubuntu. See How to fix? for Ubuntu:16.04 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 Scores

version 3.1