Microsoft Exchange 5.5 2000 allows remote attackers to cause a denial of service (hang) via exceptional BER encodings for the LDAP filter type field, as demonstrated by the PROTOS LDAPv3 test suite.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Exchange_server | Microsoft | 5.5 (including) | 5.5 (including) |
| Exchange_server | Microsoft | 2000 (including) | 2000 (including) |