Trend Micro InterScan VirusWall contains a flaw that removes IP header information from all emails that it processes. An attacker could take advantage of this vulnerability to flood the host with untraceable emails.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service
Impact:
Loss of Integrity,
Loss of Availability
OSVDB:
Concern,
Security Software
Solution
Trend Micro released Upgrade US5779 to fix this vulnerability. An upgrade is required as there are no known workarounds.