dn2ancestor in the LDAP component in Fedora Directory Server 1.0 allows remote attackers to cause a denial of service (CPU and memory consumption) via a ModDN operation with a DN that contains a large number of , (comma) characters, which results in a large amount of recursion, as demonstrated using the ProtoVer LDAP test suite.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Fedora_core | Redhat | 1.0 (including) | 1.0 (including) |
| RHEL 4 Directory Server AS | RedHat | * |