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Advanced Electron Forum Security Issue and Two Vulnerabilities

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Release Date:  2009-07-16    Last Update:  2011-09-27    Views:  3,013

Secunia Advisory SA35646

Where:

From remote

Impact:

Cross Site Scripting, Manipulation of data, Exposure of system information

Solution Status:

Unpatched

CVE Reference(s):

Description


A security issue and two vulnerabilities have been discovered in Advanced Electron Forum (AEF), which can be exploited by malicious users to disclose certain system information and conduct SQL injection attacks and by malicious people to conduct cross-site request forgery attacks.

1) Input passed via the filename when uploading attachments is not properly sanitised before being used in an SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation requires that "magic_quotes_gpc" is disabled.

2) Input passed via the "avatargalfile" parameter when changing the avatar image is not properly verified before an error message is returned. This can be exploited to determine the existence of files on the system via directory traversal attacks.

3) The application's web interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. edit administrator's profile settings by tricking a logged in administrator into visiting a malicious web site.

The security issue and the vulnerabilities are confirmed in version 1.0.9. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly sanitised and verified. Do not browse untrusted websites or follow untrusted links while logged in to the application.

Provided and/or discovered by:
1-2) Stefano Angaran
3) Aung Khant

Original Advisory:
Aung Khant:
http://yehg.net/lab/pr0js/advisories/%5Baef-1.x%5D_cross_site_request_forgery

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: Advanced Electron Forum Security Issue and Two Vulnerabilities

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