Michael Lehn has discovered a vulnerability in Mac OS X, which can be exploited by malicious people to compromise a user's system.

Please use the test below, to see an example of how this vulnerability can be exploited, and also to determine whether or not your browser is vulnerable.

Clicking the link below will start the test. The test will try to execute the "Calculator" application (default application on Mac OS X).

Start the test:
Test Now - Left Click On This Link

Result
You are vulnerable, if the "Calculator" application (default application on Mac OS X) starts up after clicking the link.

You are not vulnerable to this particular exploit, if you do not experience the above behaviour.

Credits
The test is based on Proof of Concept code by Michael Lehn.

Please view the Secunia advisory below for information about how you can fix or mitigate the impact of this vulnerability. Secunia will continuously update the Secunia advisory when more information becomes available.

- SA18963 Mac OS X "__MACOSX" ZIP Archive Shell Script Execution

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