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; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2833-1
NVD severitymedium (attack range: remote)
Debian Bugs732754

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)wheezy1.0.1e-2+deb7u20fixed
wheezy (security)1.0.1t-1+deb7u1fixed
jessie1.0.1t-1+deb8u3fixed
jessie (security)1.0.1t-1+deb8u5fixed
stretch1.0.2h-1fixed
sid1.0.2j-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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