Microsoft IIS Source Fragment Disclosure

This script is Copyright (C) 2001-2017 Pedro Antonio Nieto Feijoo

Synopsis :

The remote web server is affected by an information disclosure

Description :

Microsoft IIS 4.0 and 5.0 can be made to disclose fragments of source
code which should otherwise be inaccessible. This is done by appending
'+.htr' to a request for a known '.asp' (or '.asa', '.ini', 'etc')

See also :

Solution :

.htr script mappings should be removed if not required.

- open Internet Services Manager
- right click on the web server and select properties
- select WWW service | Edit | Home Directory | Configuration
- remove the application mappings reference to .htr

If .htr functionality is required, install the relevant patches
from Microsoft (MS01-004).

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.1
Public Exploit Available : true

Family: Web Servers

Nessus Plugin ID: 10680 (iis_frag_disclosure.nasl)

Bugtraq ID: 1193

CVE ID: CVE-2000-0457

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