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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kerberos | Mit | 5_1.13 (including) | 5_1.13 (including) |
| Kerberos_5 | Mit | 1.12 (including) | 1.12 (including) |
| Kerberos_5 | Mit | 1.12.1 (including) | 1.12.1 (including) |
| Kerberos_5 | Mit | 1.12.2 (including) | 1.12.2 (including) |
| Krb5 | Ubuntu | lucid | * |
| Krb5 | Ubuntu | precise | * |
| Krb5 | Ubuntu | trusty | * |
| Krb5 | Ubuntu | upstream | * |
| Krb5 | Ubuntu | utopic | * |