CVE-2009-0846

NameCVE-2009-0846
DescriptionThe asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1766-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)bullseye (security), bullseye1.18.3-6+deb11u5fixed
bookworm, bookworm (security)1.20.1-2+deb12u2fixed
sid, trixie1.21.3-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5sourceetch1.4.4-7etch7DSA-1766-1
krb5sourcelenny1.6.dfsg.4~beta1-5lenny1DSA-1766-1
krb5source(unstable)1.6.dfsg.4~beta1-13
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