HTTP: IIS HTR/ASP UNC Mapped Virtual Host Vulnerability
This signature detects attempts to exploit a known vulnerability against Microsoft IIS. Attackers can bypass security restrictions and obtain the full source code of the file back to a remote user by a backward slash "\" appended to an ASP or HTR extension in a URL request.
Extended Description
If a virtual host root is mapped to a UNC share, a backward slash "\" appended to an ASP or HTR extension in a URL request to that virtual host will cause Microsoft Internet Information Server to transmit full source code of the file back to a remote user. Files located on the local drive where IIS is installed is not affected by this vulnerability.
Affected Products
Microsoft proxy_server
References
BugTraq: 1081
Short Name
HTTP:IIS:SOURCE-CODE-DISC
Severity
Minor
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
HTR/ASP Host IIS Mapped UNC Virtual Vulnerability bid:1081
Release Date
03/02/2011
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown
Vendors
Microsoft