CVE-2008-4551

Name	CVE-2008-4551
Description	strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	502676

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
strongswan (PTS)	jessie, jessie (lts)	5.2.1-6+deb8u11	fixed
	stretch (security)	5.5.1-4+deb9u6	fixed
	stretch (lts), stretch	5.5.1-4+deb9u7	fixed
	buster (security), buster, buster (lts)	5.7.2-1+deb10u4	fixed
	bullseye (security), bullseye	5.9.1-1+deb11u4	fixed
	bookworm (security), bookworm	5.9.8-5+deb12u1	fixed
	sid, trixie	5.9.13-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
strongswan	source	etch	(not affected)
strongswan	source	(unstable)	4.2.4-5			502676

[etch] - strongswan <not-affected> (Vulnerable code not present)