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Lighttpd Case-Insensitive Filename Source Code Disclosure
Secunia Advisory: SA18869
Release Date: 2006-02-15
Last Update: 2006-02-23
Popularity: 6,234 views

Critical:
Moderately critical
Impact: Exposure of sensitive information
Where: From remote
Solution Status: Vendor Patch

Software:lighttpd 1.x

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CVE reference:CVE-2006-0760


Description:
A vulnerability has been reported in lighttpd, which can be exploited by malicious people to disclose potentially sensitive information.

The vulnerability is caused due to a validation error of the filename extension supplied by the user in the URL when it contains uppercase characters. This can be exploited to retrieve the source code of PHP or PERL script files from an affected system that uses case-insenstive filesystems (e.g. Windows or HFS on MacOSX).

The vulnerability has been reported in versions 1.4.8 and prior.

Solution:
Update to version 1.4.9 or later.
http://www.lighttpd.net/download/

Provided and/or discovered by:
The vendor credits Schmidt Ryan.

Changelog:
2006-02-23: Added CVE reference.

Original Advisory:
http://www.lighttpd.net/news/


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