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

Severity

low

    Threat Intelligence

    EPSS
    0.08% (33rd 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.

CVSS Scores

version 3.1
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Snyk

5.5 low
  • 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
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NVD

5.5 medium
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Red Hat

3.3 low
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SUSE

3.3 low