CVE-2012-1015

NameCVE-2012-1015
DescriptionThe kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2518-1
NVD severityhigh (attack range: remote)
Debian Bugs683429
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
krb5 (PTS)squeeze, squeeze (security)1.8.3+dfsg-4squeeze7fixed
squeeze (lts)1.8.3+dfsg-4squeeze9fixed
wheezy1.10.1+dfsg-5+deb7u2fixed
wheezy (security)1.10.1+dfsg-5+deb7u3fixed
jessie1.12.1+dfsg-19fixed
stretch, sid1.12.1+dfsg-20fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5source(unstable)1.10.1+dfsg-2high683429
krb5sourcesqueeze1.8.3+dfsg-4squeeze6highDSA-2518-1

Notes

http://seclists.org/bugtraq/2012/Jul/171

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