CVE-2013-6449

NameCVE-2013-6449
DescriptionThe ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2833-1
NVD severitymedium (attack range: remote)
Debian Bugs732754
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
openssl (PTS)squeeze, squeeze (security)0.9.8o-4squeeze14fixed
squeeze (lts)0.9.8o-4squeeze20fixed
wheezy1.0.1e-2+deb7u13fixed
wheezy (security)1.0.1e-2+deb7u16fixed
jessie1.0.1k-3fixed
stretch, sid1.0.2a-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)1.0.1e-5medium732754
opensslsourcesqueeze(not affected)
opensslsourcewheezy1.0.1e-2+deb7u1mediumDSA-2833-1

Notes

[squeeze] - openssl <not-affected> (TLS 1.2 support introduced in 1.0.1)
https://bugzilla.redhat.com/show_bug.cgi?id=1045363
http://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ca98926
http://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=0294b2b

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