<p>Upgrade <code>Debian:12</code> <code>tar</code> to version 1.34+dfsg-1 or higher.</p>

Out-of-bounds Read Affecting tar package, versions <1.34+dfsg-1

Threat Intelligence

0.08% (33^rd percentile)

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Snyk ID SNYK-DEBIAN12-TAR-1560336
published 20 Jan 2021
disclosed 26 Mar 2021

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Introduced: 20 Jan 2021

CVE-2021-20193 Open this link in a new tab CWE-125 Open this link in a new tab CWE-401 Open this link in a new tab

How to fix?

Upgrade Debian:12 tar to version 1.34+dfsg-1 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 Debian. See How to fix? for Debian:12 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.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

None
User Interaction (UI)

Required

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High

Out-of-bounds Read Affecting tar package, versions <1.34+dfsg-1

Severity

Based on Debian security rating