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Expected Behavior Violation Affecting glibc package, versions <0:2.17-55.el7_0.3

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.06% (22nd percentile)
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NVD
5.9 medium
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Red Hat
5.1 medium

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  • Snyk ID SNYK-CENTOS7-GLIBC-2041637
  • published 26 Jul 2021
  • disclosed 20 Nov 2014
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Introduced: 20 Nov 2014

CVE-2014-7817 Open this link in a new tab
CWE-440 Open this link in a new tab

How to fix?

Upgrade Centos:7 glibc to version 0:2.17-55.el7_0.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((...))".

References