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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2833-1
Debian Bugs732754

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)jessie, jessie (lts)1.0.1t-1+deb8u21fixed
stretch (security)1.1.0l-1~deb9u6fixed
stretch (lts), stretch1.1.0l-1~deb9u9fixed
buster1.1.1n-0+deb10u3fixed
buster (security)1.1.1n-0+deb10u6fixed
bullseye1.1.1w-0+deb11u1fixed
bullseye (security)1.1.1n-0+deb11u5fixed
bookworm (security), bookworm3.0.11-1~deb12u2fixed
sid, trixie3.2.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsourcesqueeze(not affected)
opensslsourcewheezy1.0.1e-2+deb7u1DSA-2833-1
opensslsource(unstable)1.0.1e-5732754

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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