Arbitrary Code Injection Affecting emacs-el package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-RHEL7-EMACSEL-8444611
  • published29 Nov 2024
  • disclosed27 Nov 2024

Introduced: 27 Nov 2024

NewCVE-2024-53920  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 emacs-el.

NVD Description

Note: Versions mentioned in the description apply only to the upstream emacs-el package and not the emacs-el package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In elisp-mode.el in GNU Emacs through 30.0.92, a user who chooses to invoke elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code can trigger unsafe Lisp macro expansion that allows attackers to execute arbitrary code. (This unsafe expansion also occurs if a user chooses to enable on-the-fly diagnosis that byte compiles untrusted Emacs Lisp source code.)

CVSS Scores

version 3.1