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


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE6-BASHDOC-2512688
  • published10 Apr 2022
  • disclosed23 Jan 2017

Introduced: 23 Jan 2017

CVE-2016-9401  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:6 bash-doc to version 0:4.1.2-48.el6 or higher.
This issue was patched in ELSA-2017-0725.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bash-doc package and not the bash-doc package as distributed by Oracle. See How to fix? for Oracle: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.

CVSS Scores

version 3.1