CVE-2018-5729

NameCVE-2018-5729
DescriptionMIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1643-1, DLA-2771-1
Debian Bugs891869

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
krb5sourcejessie1.12.1+dfsg-19+deb8u5DLA-1643-1
krb5sourcestretch1.15-1+deb9u3DLA-2771-1
krb5source(unstable)1.16.1-1891869

Notes

[wheezy] - krb5 <no-dsa> (Minor issue)
Fixed by: https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
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