CVE-2008-4551

NameCVE-2008-4551
DescriptionstrongSwan 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs502676

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
strongswan (PTS)stretch5.5.1-4+deb9u4fixed
stretch (security)5.5.1-4+deb9u6fixed
buster, buster (security)5.7.2-1+deb10u2fixed
bullseye (security), bullseye5.9.1-1+deb11u2fixed
bookworm, sid5.9.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
strongswansourceetch(not affected)
strongswansource(unstable)4.2.4-5502676

Notes

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

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