SMTP Relaying with Microsoft Exchange Server
Severity: MEDIUM
CVE Identifier: CVE-1999-0682
Advisory Date: FEB 15, 2011
DESCRIPTION
Microsoft Exchange 5.5 allows a remote attacker to relay email (i.e. spam) using encapsulated SMTP addresses, even if the anti-relaying features are enabled.
TREND MICRO PROTECTION INFORMATION
Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.
SOLUTION
Trend Micro Deep Security DPI Rule Number: 1000415
Trend Micro Deep Security DPI Rule Name: 1000415 - SMTP Relaying with Microsoft Exchange Server
AFFECTED SOFTWARE AND VERSION
- Microsoft Exchange 5.5
- Microsoft Exchange 5.5SP1
- Microsoft Exchange 5.5SP2
- Microsoft Exchange Server 5.5
- Microsoft Exchange Server 5.5SP1
- Microsoft Exchange Server 5.5SP2