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Insecure Library Loading
Highly critical

Opera Asynchronous Content Modification Uninitialised Memory Vulnerability

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Release Date:  2010-04-27    Last Update:  2010-05-10    Views:  26,700

Secunia Advisory SA39590

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A vulnerability has been discovered in Opera, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error when continuously modifying document content on a web page e.g. using document.write(). This may result in a function call using uninitialised memory when a user visits a specially crafted web page.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 10.52 for Windows. Other versions may also be affected.


Solution:
Update to version 10.53.

Provided and/or discovered by:
Reported as a crash by Mathias Karlsson.

Additional information provided by Secunia Research.

Original Advisory:
Opera Software:
http://www.opera.com/support/kb/view/953/
http://www.opera.com/docs/changelogs/windows/1053/

Mathias Karlsson:
http://h.ackack.net/?p=258

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: Opera Asynchronous Content Modification Uninitialised Memory Vulnerability

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