CVE-2013-0176

NameCVE-2013-0176
DescriptionThe publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs698963

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libssh (PTS)buster0.8.7-1+deb10u1fixed
buster (security)0.8.7-1+deb10u2fixed
bullseye (security), bullseye0.9.8-0+deb11u1fixed
bookworm, bookworm (security)0.10.6-0+deb12u1fixed
sid, trixie0.10.6-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsshsource(unstable)0.5.4-1low698963

Notes

[squeeze] - libssh <no-dsa> (Minor issue)
http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=55b09f426417406bb25c0b9c474fbab1398b0dc8

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