(MS09-020) Microsoft IIS Unicode Requests to WebDAV Multiple Authentication Bypass Vulnerabilities
Publish date: 04 de febrero de 2011
Gravedad: High
Identificadores de CVE : CVE-2009-1535
Fecha recomendada: 04 de febrero de 2011
Descripción
The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, via a %c0%af (Unicode / character) at an arbitrary position in the URI, as demonstrated by inserting %c0%af into a "/protected/" initial pathname component to bypass the password protection on the protected\ folder, aka "IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1122.
Revelación de la información
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.
Software y versión afectados
- Microsoft IIS 5.0
- Microsoft IIS 5.1
- Microsoft IIS 6.0