Debian update for emacs

1) Use of Potentially Dangerous Function

EUVDB-ID: #VU93118

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-39331

CWE-ID: CWE-676 - Use of Potentially Dangerous Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function. A remote attacker can execute arbitrary OS commands on the system.

Mitigation

Update emacs package to one of the following versions: 1:27.1+1-3.1+deb11u5, 1:28.2+1-15+deb12u3.

Vulnerable software versions

Debian Linux: All versions

emacs (Debian package): before 1:28.2+1-15+deb12u3

External links

http://lists.debian.org/debian-security-announce/2024/msg00130.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.