Microsoft IIS Malformed HTTP HOST Header Field Denial Of Service Vulnerability
Severity: MEDIUM
CVE Identifier: CVE-2002-1908
Advisory Date: FEB 15, 2011
DESCRIPTION
Microsoft IIS 5.0 and 5.1 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with a Host header that contains a large number of "/" (forward slash) characters.
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: 1000440
Trend Micro Deep Security DPI Rule Name: 1000440 - Microsoft IIS Malformed HTTP HOST Header Field Denial Of Service Vulnerability
AFFECTED SOFTWARE AND VERSION
- Microsoft IIS 5.0
- Microsoft IIS 5.1