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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Session Restore Same-Origin Policy Flaw Permits Cross-Domain Scripting and Privilege Escalation Attacks
SecurityTracker Alert ID:  1021184
SecurityTracker URL:  http://securitytracker.com/id/1021184
CVE Reference:   CVE-2008-5019   (Links to External Site)
Date:  Nov 13 2008
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.0.18, 3.x prior to 3.0.4
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can conduct cross-domain scripting attacks to gain privileges on the target user's system.

The session restore feature does not properly enforce same-origin policy. A remote user cause arbitrary scripting code to be executed by the target user's browser in the context of an arbitrary site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Arbitrary scripting code can also be executed with chrome privileges.

David Bloom and moz_bug_r_a4 reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with arbitrary sites, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user can gain chrome privileges on the target user's browser.

Solution:   The vendor has issued fixed versions (2.0.0.18, 3.0.4).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2008/mfsa2008-53.html

Vendor URL:  www.mozilla.org/security/announce/2008/mfsa2008-53.html (Links to External Site)
Cause:   Access control 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 Session Restore Same-Origin Policy Flaw Permits Cross-Domain Scripting and Privilege Escalation Attacks
Red Hat has released a fix for Red Hat Enterprise Linux 4 and 5.
Nov 13 2008 (Mozilla Issues Fix for SeaMonkey) Mozilla Firefox Session Restore Same-Origin Policy Flaw Permits Cross-Domain Scripting and Privilege Escalation Attacks
Mozilla has issued a fix for Mozilla SeaMonkey.
Nov 13 2008 (Red Hat Issues Fix for SeaMonkey) Mozilla Firefox Session Restore Same-Origin Policy Flaw Permits Cross-Domain Scripting and Privilege Escalation Attacks
Red Hat has released a fix for SeaMonkey for Red Hat Enterprise Linux 2.1, 3, and 4.



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