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Link Following Affecting libarchive package, versions <0:3.3.3-3.el8_5

medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (25th percentile)
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NVD
7.8 high
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Red Hat
7.1 high
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SUSE
4.4 medium

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  • Snyk ID SNYK-CENTOS8-LIBARCHIVE-2320826
  • published 16 Dec 2021
  • disclosed 22 Aug 2021
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Introduced: 22 Aug 2021

CVE-2021-31566 Open this link in a new tab
CWE-59 Open this link in a new tab

How to fix?

Upgrade Centos:8 libarchive to version 0:3.3.3-3.el8_5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.