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Use After Free Affecting bash package, versions <0:4.1.2-48.el6

medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.5 medium
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Red Hat
3.3 low

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  • Snyk ID SNYK-CENTOS6-BASH-2138615
  • published 26 Jul 2021
  • disclosed 17 Nov 2016
Report a new vulnerability Found a mistake?

Introduced: 17 Nov 2016

CVE-2016-9401 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:6 bash to version 0:4.1.2-48.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bash package and not the bash package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.