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OS Command Injection Affecting emacs package, versions <1:27.1+1-3.1+deb11u1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN11-EMACS-3149922
  • published 28 Nov 2022
  • disclosed 28 Nov 2022
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Introduced: 28 Nov 2022

CVE-2022-45939 Open this link in a new tab
CWE-78 Open this link in a new tab

How to fix?

Upgrade Debian:11 emacs to version 1:27.1+1-3.1+deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply to the upstream emacs package. See How to fix? for Debian:11 relevant versions.

GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the ctags program. For example, a victim may use the "ctags *" command (suggested in the ctags documentation) in a situation where the current working directory has contents that depend on untrusted input.