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Insecure Library Loading
Moderately critical

Apple Safari Plug-in Unloading Vulnerability

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Release Date:  2012-03-07    Views:  11,355

Secunia Advisory SA45758

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Krystian Kloskowski has discovered a vulnerability in Safari, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to plug-ins being unloaded when navigating to a new page while the user interacts with the plug-in (e.g. displays the context menu). If the plug-in has called a blocking function (e.g. TrackPopupMenu) before Safari navigates to another page, the API call may block until after Safari unloaded the plug-in, which can lead to the API call returning to freed memory.

The vulnerability is confirmed in version 5.1.2 (7534.52.7) on Windows using the RealPlayer and Adobe Flash plug-ins. Other versions may also be affected.


Solution:
No effective workaround is currently available.

Provided and/or discovered by:
Krystian Kloskowski (h07) via Secunia

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: Apple Safari Plug-in Unloading Vulnerability

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