Vulnerability Description
emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto: URI with unescaped double-quote characters. It is fixed in 29.0.90.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Emacs | >= 28.1, <= 28.2 |
Related Weaknesses (CWE)
References
- http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71dIssue TrackingPatch
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing ListPatch
- https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing ListPatch
- http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71dIssue TrackingPatch
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing ListPatch
- https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing ListPatch
FAQ
What is CVE-2023-27986?
CVE-2023-27986 is a vulnerability with a CVSS score of 7.8 (HIGH). emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto: URI with unescaped double-quote characters. It is fixed in 29.0.90.
How severe is CVE-2023-27986?
CVE-2023-27986 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-27986?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Emacs.