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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Fedora_core | Redhat | 1.0 (including) | 1.0 (including) |
| RHEL 4 Directory Server AS | RedHat | * |
References
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179137
- http://secunia.com/advisories/18960
- http://www.securityfocus.com/bid/16677
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24796
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179137
- http://secunia.com/advisories/18960
- http://www.securityfocus.com/bid/16677
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24796