plugins/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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade krb5 | Aug 30, 2017 | Dec 16, 2014 |
| Debian | — | Upgrade krb5 | Jul 30, 2024 | Dec 16, 2014 |
| Freebsd | — | Upgrade krb5Upgrade krb5-111Upgrade krb5-112 | Dec 10, 2025 | Feb 12, 2015 |
| Suse | — | Upgrade krb5-devel-32bitUpgrade krb5-develUpgrade krb5-plugin-preauth-pkinitUpgrade krb5-clientUpgrade krb5-32bitUpgrade krb5-plugin-preauth-otpUpgrade krb5-apps-serversUpgrade krb5-x86Upgrade krb5-apps-clientsUpgrade krb5-docUpgrade krb5-serverUpgrade krb5-plugin-kdb-ldapUpgrade krb5 | Dec 18, 2015 | Dec 16, 2014 |
| Ubuntu | — | Upgrade krb5-pkinitUpgrade libkrb5-3Upgrade krb5-kdcUpgrade krb5-admin-serverUpgrade libkrad0Upgrade libkadm5clnt-mit7Upgrade libkrb5support0Upgrade libkadm5srv-mit8Upgrade libkdb5-6Upgrade krb5-kdc-ldapUpgrade libkdb5-4Upgrade libgssrpc4Upgrade libkadm5srv-mit9Upgrade libkadm5srv-mit7Upgrade krb5-otpUpgrade libkadm5clnt-mit9Upgrade libgssapi-krb5-2Upgrade libkadm5clnt-mit8Upgrade libkdb5-7Upgrade libkrb53Upgrade libk5crypto3Upgrade krb5-user | Nov 8, 2024 | Dec 16, 2014 |
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