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vlbook Cross-Site Scripting and Local File Inclusion
Secunia Advisory: SA30046
Release Date: 2008-05-02
Last Update: 2008-05-08
Popularity: 4,320 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Exposure of system information
Exposure of sensitive information
Where: From remote
Solution Status: Unpatched

Software:vlbook 1.x

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CVE reference:CVE-2008-2072
CVE-2008-2073


Description:
IRCRASH has reported two vulnerabilities in vlbook, which can be exploited by malicious people to conduct cross-site scripting attacks or disclose sensitive information.

1) Input passed to the "l" parameter in include/global.inc.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources.

2) Input passed to the "l" parameter in index.php is not properly sanitised before being returned to a user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerabilities are reported in version 1.21. Other versions may also be affected.

Solution:
Edit the source code to ensure that input is properly verified and sanitised.

Provided and/or discovered by:
IRCRASH

Changelog:
2008-05-08: Added CVE reference.

Original Advisory:
http://www.milw0rm.com/exploits/5529


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