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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs698963

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libssh (PTS)stretch0.7.3-2+deb9u2fixed
stretch (security)0.7.3-2+deb9u3fixed
buster0.8.7-1+deb10u1fixed
bullseye, sid0.9.5-1fixed

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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