Microsoft IIS 5.0 allows vieweing files using %3F+.htr
Severity: MEDIUM
CVE Identifier: CVE-2001-0004
Advisory Date: FEB 15, 2011
DESCRIPTION
IIS 5.0 and 4.0 allows remote attackers to read the source code for executable web server programs by appending "%3F .htr" to the requested URL, which causes the files to be parsed by the .HTR ISAPI extension, aka a variant of the "File Fragment Reading via .HTR" vulnerability.
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: 1000613
Trend Micro Deep Security DPI Rule Name: 1000613 - IIS 5.0 allows viewing files using %3F+.htr
AFFECTED SOFTWARE AND VERSION
- Microsoft IIS 4.0
- Microsoft IIS 5.0
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