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Category:   Application (Web Browser)  >   Opera Vendors:   Opera Software
Opera JavaScript Pointer Dereference Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018572
SecurityTracker URL:  http://securitytracker.com/id/1018572
CVE Reference:   CVE-2007-4367   (Links to External Site)
Updated:  Apr 24 2008
Original Entry Date:  Aug 15 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 9.23
Description:   A vulnerability was reported in Opera. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted JavaScript that, when loaded by the target user, will make a virtual function call on an invalid pointer to trigger a memory dereference error and execute arbitrary code on the target system. The code will run with the privileges of the target user.

This vulnerability was discovered using the Mozilla JavaScript fuzzer.

Impact:   A remote user can create JavaScript that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fixed version (9.23).

The Opera advisory is available at:

http://www.opera.com/support/search/view/865/

Vendor URL:  www.opera.com/support/search/view/865/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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