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Insecure Library Loading
Highly critical

Amaya Multiple Buffer Overflow Vulnerabilities

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Release Date:  2008-11-25    Last Update:  2009-02-06    Views:  5,284

Secunia Advisory SA32848

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Some vulnerabilities have been discovered in Amaya, which can be exploited by malicious people to compromise a user's system.

1) A boundary error when processing "<div>" HTML tags can be exploited to cause a stack-based buffer overflow via an overly long "id" parameter.

2) A boundary error exists when processing overly long links. This can be exploited to cause a stack-based buffer overflow by tricking the user into e.g. editing a malicious link.

3) A boundary error when processing e.g. a "<bdo>" HTML tag having an overly long "dir" attribute can be exploited to cause a stack-based buffer overflow.

4) A boundary error when processing "<input>" HTML tags can be exploited to cause a stack-based buffer overflow via an overly long e.g. "type" attribute..

Successful exploitation of the vulnerabilities allows execution of arbitrary code.

The vulnerabilities are confirmed in version 11.0.1 for Windows. Other versions may also be affected.


Solution:
Do not follow untrusted links or browse untrusted websites.

Provided and/or discovered by:
1, 2) r0ut3r
3) webDEViL
4) Dan Crowley and Alfredo Ortega, Core Security Technologies

Original Advisory:
1) http://www.bmgsec.com.au/advisory/41/
2) http://www.bmgsec.com.au/advisory/40/
3) http://milw0rm.com/exploits/7467
4) http://www.coresecurity.com/content/amaya-buffer-overflows

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: Amaya Multiple Buffer Overflow Vulnerabilities

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