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Improper Input Validation Affecting bash package, versions <4.3-7ubuntu1.7

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.58% (47th percentile)

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  • Snyk IDSNYK-UBUNTU1404-BASH-351576
  • published19 Jan 2017
  • disclosed19 Jan 2017
Report a new vulnerability Found a mistake?

Introduced: 19 Jan 2017

CVE-2016-7543  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 bash to version 4.3-7ubuntu1.7 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 Ubuntu. See How to fix? for Ubuntu:14.04 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.

References