DescriptionThe IKE daemon in strongSwan 4.3.x before 4.3.7 and 4.4.x before 4.4.1 does not properly check the return values of snprintf calls, which allows remote attackers to execute arbitrary code via crafted (1) certificate or (2) identity data that triggers buffer overflows.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
strongswan (PTS)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
strongswansourcelenny(not affected)
strongswansourcesqueeze(not affected)


[lenny] - strongswan <not-affected> (Vulnerability introduced in 4.3.3)
[squeeze] - strongswan <not-affected> (Vulnerability introduced in 4.3.3)

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