CVE-2012-6063

NameCVE-2012-6063
DescriptionDouble free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2577-1
NVD severityhigh (attack range: remote)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libssh (PTS)squeeze, squeeze (security)0.4.5-3+squeeze2fixed
wheezy (security), wheezy0.5.4-1+deb7u1fixed
jessie0.6.3-4fixed
stretch, sid0.6.3-4.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsshsource(unstable)0.5.3-1high
libsshsourcesqueeze0.4.5-3+squeeze1high

Notes

Fix included in CVE-2012-4559 patch
https://red.libssh.org/issues/84
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2

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