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Insecure Library Loading
Moderately critical

RSMScript Security Bypass and Script Insertion Vulnerabilities

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Release Date:  2008-12-17    Last Update:  2009-04-28    Views:  4,390

Secunia Advisory SA33150

Where:

From remote

Impact:

Security Bypass, Cross Site Scripting

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Cyber.Zer0 has discovered some vulnerabilities in RSMScript, which can be exploited by malicious people to bypass certain security restrictions and by malicious users to perform script insertion attacks.

1) The application allows access to the admin interface by checking if a certain cookie exists. This can be exploited to gain administrative access to the application by creating the cookie "verified" and assigning it any value.

2) Input passed to the "quote" parameter in submit.php and edit-submit.php is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in the context of an affected site when the malicious quote is viewed.

These vulnerabilities are confirmed in version 1.21. Other versions may also be affected.


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

Provided and/or discovered by:
Cyber.Zer0

Original Advisory:
http://packetstorm.linuxsecurity.com/0812-exploits/rsmscript-xss.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: RSMScript Security Bypass and Script Insertion Vulnerabilities

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