Arbitrary Command Injection Affecting emacs-terminal package, versions <1:27.2-4.amzn2.0.3


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.14% (65th percentile)

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  • Snyk IDSNYK-AMZN2-EMACSTERMINAL-3343400
  • published7 Mar 2023
  • disclosed20 Feb 2023

Introduced: 20 Feb 2023

CVE-2022-48339  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 emacs-terminal to version 1:27.2-4.amzn2.0.3 or higher.
This issue was patched in ALAS2-2023-1981.

NVD Description

Note: Versions mentioned in the description apply only to the upstream emacs-terminal package and not the emacs-terminal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability. In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be executed.

CVSS Base Scores

version 3.1