Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Exchange_server | Microsoft | 4.0 (including) | 4.0 (including) |
| Exchange_server | Microsoft | 5.0 (including) | 5.0 (including) |
| Outlook | Microsoft | 97 (including) | 97 (including) |