Arbitrary Command Injection Affecting bash package, versions <0:4.2.46-28.el7


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-CENTOS7-BASH-2085845
  • published26 Jul 2021
  • disclosed16 Sept 2016

Introduced: 16 Sep 2016

CVE-2016-7543  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Centos:7 bash to version 0:4.2.46-28.el7 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:7 relevant fixed versions and status.

Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.