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Insecure Library Loading
Moderately critical

427BB Multiple Vulnerabilities

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Release Date:  2006-01-09    Last Update:  2006-08-04    Views:  9,159

Secunia Advisory SA18354

Where:

From remote

Impact:

Security Bypass, Cross Site Scripting, Manipulation of data

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Aliaksandr Hartsuyeu has discovered some vulnerabilities in 427BB, which can be exploited by malicious people to conduct script insertion and SQL injection attacks, and bypass certain security restrictions.

1) An error in the authentication process can be exploited to login as an arbitrary user by manipulating the "username", "authenticated", and "usertype" cookie parameters.

2) Input passed to the "ForumID" parameter in "showthread.php" isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

3) Input passed via the "url" bbcode tag when posting a message isn't properly verified, before being used. This can be exploited to inject arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when a malicious link with the "JavaScript" URI handler is followed from a malicious message.

The vulnerabilities have been confirmed in version 2.2.1 and have also been reported in version 2.2. Other versions may also be affected.


Solution:
Update to version 2.3.1.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Aliaksandr Hartsuyeu

Original Advisory:
http://evuln.com/vulns/18/summary.html

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: 427BB Multiple Vulnerabilities

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