high
8.4
CWE
116 77
Advisory Published
Updated

CVE-2022-48339: Command Injection

First published: Mon Feb 20 2023(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
GNU Emacs<=28.2
IBM QRadar SIEM<=7.5.0 - 7.5.0 UP6
debian/emacs
1:27.1+1-3.1+deb11u5
1:28.2+1-15+deb12u3
1:29.4+1-4

Remedy

https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=1b4dc4691c1f87fc970fbe568b43869a15ad0d4c

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-48339?

    CVE-2022-48339 is a vulnerability discovered in GNU Emacs through version 28.2, involving a command injection vulnerability in htmlfontify.el.

  • What is the severity of CVE-2022-48339?

    The severity of CVE-2022-48339 is high, with a severity value of 7.8.

  • How does CVE-2022-48339 affect GNU Emacs?

    CVE-2022-48339 affects GNU Emacs versions up to 28.2 and can be exploited through the htmlfontify.el package.

  • How can I fix CVE-2022-48339 in GNU Emacs?

    To fix CVE-2022-48339 in GNU Emacs, it is recommended to update to a patched version of GNU Emacs, such as version 28.3 or later when available.

  • Where can I find more information about CVE-2022-48339?

    You can find more information about CVE-2022-48339 on the GNU Emacs commit page and the Debian and Fedora security advisories linked in the references section.

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