OS Command Injection Affecting patch package, versions <2.7.1-4ubuntu2.4+esm1

Q: How to fix?

Upgrade Ubuntu:14.04 patch to version 2.7.1-4ubuntu2.4+esm1 or higher.

Threat Intelligence

0.35% (58^th percentile)

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Snyk IDSNYK-UBUNTU1404-PATCH-459628
published16 Aug 2019
disclosed16 Aug 2019

Report a new vulnerability Found a mistake?

Introduced: 16 Aug 2019

CVE-2018-20969 (opens in a new tab) CWE-78 (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 patch to version 2.7.1-4ubuntu2.4+esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream patch package and not the patch package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.