Home/CVE/emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto
CVE

CVE-2023-27986

emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto

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.

HIGH · CVSS 7.8 EPSS 0.00207
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

1
gnu emacs>= 28.1 and <= 28.2
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Mar 2023 · 06:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:12777-1
msrcCVE-2023-27986
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2ccIssue 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
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