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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1021182
SecurityTracker URL:  http://securitytracker.com/id/1021182
CVE Reference:   CVE-2008-5014   (Links to External Site)
Date:  Nov 13 2008
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.0.18, 3.x prior to 3.0.2
Description:   A vulnerability was reported in Mozilla Firefox. A remote user may be able to cause arbitrary code to be executed on the target user's system.

A remote user can create HTML that, when loaded by the target user, will modify a window.__proto__.__proto__ object to place a lock on a non-native object and crash the target user's browser. It may be possible to execute arbitrary code on the target system. However, code execution was not confirmed in the report.

SeaMonkey and Thunderbird are also affected.

Jesse Ruderman reported this vulnerability.

Impact:   A remote user can create HTML that, when loaded by the target user, will cause the target user's browser to crash or potentially execute arbitrary code.
Solution:   The vendor has issued a fix (2.0.0.18, 3.0.2).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2008/mfsa2008-50.html

Vendor URL:  www.mozilla.org/security/announce/2008/mfsa2008-50.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 13 2008 (Red Hat Issues Fix) Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 4 and 5.
Nov 13 2008 (Mozilla Issues Fix for SeaMonkey) Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
Mozilla has issued a fix for Mozilla SeaMonkey.
Nov 13 2008 (Red Hat Issues Fix for SeaMonkey) Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for SeaMonkey for Red Hat Enterprise Linux 2.1, 3, and 4.
Nov 20 2008 (Mozilla Issues Fix for Thunderbird) Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
Mozilla has issued a fix for Thunderbird.
Nov 20 2008 (Red Hat Issues Fix for Thunderbird) Mozilla Firefox __proto__ Object Tampering May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for Thunderbird for Red Hat Enterprise Linux 4 and 5.



 Source Message Contents



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