Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Exchange_server | Microsoft | 5.0 (including) | 5.0 (including) |
| Exchange_server | Microsoft | 5.5 (including) | 5.5 (including) |