Title: MS IIS FrontPage 98 Extensions Filename Obfuscation Vulnerability
Severity: MODERATE
Description:
Two dlls (dvwssr.dll and mtd2lv.dll) included with the FrontPage 98 extensions for IIS and shipped as part of the NT Option Pack include an obfuscation string that manipulates the name of requested files. Knowing this string and the obfuscation algorithm allows anyone with web authoring privileges on the target host to download any .asp or .asa source on the system (including files outside the web root, through usage of the '../' string). This includes users with web authoring rights to only one of several virtual hosts on a system, allowing one company to potentially gain access to the source of another company's website if hosted on the same physical machine.
Affected Products:
- Microsoft FrontPage 98 0.0.0
- Microsoft FrontPage 98 Server Extensions for IIS 0.0.0
- Microsoft InterDev 1.0.0
- Microsoft NT Option Pack for NT 4.0 0.0.0
References:
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