CVE-2023-2491: Command Injection
First published: Wed May 03 2023(Updated: )
A flaw was found in the Emacs text editor. Processing a specially crafted org-mode code with the "org-babel-execute:latex" function in ob-latex.el can result in arbitrary command execution. This CVE exists because of a CVE-2023-28617 security regression for the emacs package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Emacs | =26.1-9.el8 | |
| GNU Emacs | =27.2-8.el9 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Redhat Enterprise Linux Eus | =8.8 | |
| Redhat Enterprise Linux Eus | =9.2 | |
| Redhat Enterprise Linux Server Aus | =8.8 | |
| Redhat Enterprise Linux Server Aus | =9.2 | |
| Redhat Enterprise Linux Server Tus | =8.8 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2023:2626
- https://access.redhat.com/errata/RHSA-2023:3104
- https://access.redhat.com/security/cve/CVE-2023-2491
- https://bugzilla.redhat.com/show_bug.cgi?id=2192873
- https://access.redhat.com/security/cve/CVE-2023-28617
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2180544
- https://access.redhat.com/errata/RHSA-2023:1930
- https://access.redhat.com/errata/RHSA-2023:2074
- https://access.redhat.com/security/cve/cve-2023-2491
Frequently Asked Questions
What is CVE-2023-2491?
CVE-2023-2491 is a vulnerability in the Emacs text editor that allows arbitrary command execution.
Which versions of GNU Emacs are affected by CVE-2023-2491?
GNU Emacs version 26.1-9.el8 and 27.2-8.el9 are affected by CVE-2023-2491.
Which versions of Red Hat Enterprise Linux are affected by CVE-2023-2491?
Red Hat Enterprise Linux version 8.0 and 9.0 are affected by CVE-2023-2491.
What is the severity rating of CVE-2023-2491?
CVE-2023-2491 has a severity rating of 7.8 (high).
How can I fix the CVE-2023-2491 vulnerability?
To fix the CVE-2023-2491 vulnerability, update GNU Emacs to a patched version provided by the vendor.
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