High severity · published Mar 9, 2023
CVE-2023-27986
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
7.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Emacs · Gnu
28.1 through 28.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-27986
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-27986
Issue Tracking
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2cc
Mailing List
http://www.openwall.com/lists/oss-security/2023/03/09/1
www.gabriel.urdhr.fr
https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
Mailing List
https://www.openwall.com/lists/oss-security/2023/03/08/2
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