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; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2518-1
Debian Bugs683429

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)bullseye1.18.3-6+deb11u5fixed
bullseye (security)1.18.3-6+deb11u7fixed
bookworm1.20.1-2+deb12u4fixed
bookworm (security)1.20.1-2+deb12u2fixed
forky, sid, trixie1.21.3-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5sourcesqueeze1.8.3+dfsg-4squeeze6DSA-2518-1
krb5source(unstable)1.10.1+dfsg-2683429

Notes

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