CVE-2024-2357

Name	CVE-2024-2357
Description	The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1066059

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libreswan (PTS)	bookworm	4.10-2+deb12u1	vulnerable
	trixie	5.2-2.2	fixed
	forky, sid	5.2-2.5	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libreswan	source	bullseye	(unfixed)	end-of-life
libreswan	source	(unstable)	4.14-1			1066059

Notes

[bookworm] - libreswan <no-dsa> (Minor issue)
[bullseye] - libreswan <end-of-life> (see #1072527)
https://libreswan.org/security/CVE-2024-2357/CVE-2024-2357.patch
https://libreswan.org/security/CVE-2024-2357/CVE-2024-2357.txt
https://github.com/libreswan/libreswan/issues/1609
Fixed by: https://github.com/libreswan/libreswan/commit/cb9e1047d33fde695d63a95854c2bc2470a476c8