CVE-2009-0790

NameCVE-2009-0790
DescriptionThe pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1759-1, DSA-1760-1
NVD severitymedium (attack range: remote)
Debian Bugs521949, 521950

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openswan (PTS)wheezy (security), wheezy1:2.6.37-3+deb7u1fixed
strongswan (PTS)wheezy (security), wheezy4.5.2-1.5+deb7u8fixed
jessie (security), jessie5.2.1-6+deb8u2fixed
stretch, sid5.5.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openswansource(unstable)1:2.6.21+dfsg-1medium521949
openswansourceetch1:2.4.6+dfsg.2-1.1+etch1mediumDSA-1760-1
openswansourcelenny1:2.4.12+dfsg-1.3+lenny1mediumDSA-1760-1
strongswansource(unstable)4.2.14-1medium521950
strongswansourceetch2.8.0+dfsg-1+etch1mediumDSA-1759-1
strongswansourcelenny4.2.4-5+lenny1mediumDSA-1759-1

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