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Clansys Multiple Vulnerabilities
Secunia Advisory: SA19609
Release Date: 2006-04-11
Last Update: 2006-05-25
Popularity: 5,538 views

Critical:
Highly critical
Impact: Manipulation of data
System access
Cross Site Scripting
Where: From remote
Solution Status: Unpatched

Software:Clansys 1.x

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CVE reference:CVE-2006-1708
CVE-2006-2005
CVE-2006-2367
CVE-2006-2368


Description:
Some vulnerabilities have been reported in Clansys, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, and compromise a vulnerable system.

1) Input passed to the "showid" parameter in index.php is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Example:
http://[host]/index.php?page=member&func=detail&showid=[code]

The vulnerability has been confirmed in version 1.1. Other versions may also be affected.

2) Input passed to the "page" parameter in index.php and the "keyword" parameter in the archive search functionality is not properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.

3) Input passed to the "page" parameter in index.php isn't properly sanitised before being used in an "eval()" call. This can be exploited to inject and execute arbitrary PHP code.

The vulnerabilities has been reported in version 1.1. Other versions may also be affected.

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

Provided and/or discovered by:
1) snatcher
2) Soot
3) Mustafa Can Bjorn

Changelog:
2006-04-13: Added CVE reference.
2006-04-14: Added additional vulnerabilities.
2006-04-24: Added additional vulnerabilities and increased criticality.
2006-04-26: Added CVE reference.
2006-05-25: Added CVE references.

Original Advisory:
1) http://milw0rm.com/exploits/1662
2) http://soot.shabgard.org/bugs/Clansys.txt
3) http://www.nukedx.com/?viewdoc=29


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