CVE-2014-5354

NameCVE-2014-5354
Descriptionplugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs773228

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)jessie, jessie (lts)1.12.1+dfsg-19+deb8u9fixed
stretch (security)1.15-1+deb9u3fixed
stretch (lts), stretch1.15-1+deb9u6fixed
buster, buster (lts)1.17-3+deb10u7fixed
buster (security)1.17-3+deb10u6fixed
bullseye (security), bullseye1.18.3-6+deb11u5fixed
bookworm (security), bookworm1.20.1-2+deb12u2fixed
sid, trixie1.21.3-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5sourcesqueeze(not affected)
krb5sourcewheezy(not affected)
krb5source(unstable)1.12.1+dfsg-16773228

Notes

[wheezy] - krb5 <not-affected> (do not expose a way for principal entries to have no long-term key material)
[squeeze] - krb5 <not-affected> (do not expose a way for principal entries to have no long-term key material)
Upstream commit: https://github.com/krb5/krb5/commit/04038bf3633c4b909b5ded3072dc88c8c419bf16

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