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Category:   Application (Multimedia)  >   Adobe Flash Player Vendors:   Adobe Systems Incorporated
Adobe Flash Player HTTP Response Header Processing Flaw Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1021146
SecurityTracker URL:  http://securitytracker.com/id/1021146
CVE Reference:   CVE-2008-4818   (Links to External Site)
Updated:  Nov 6 2008
Original Entry Date:  Nov 6 2008
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.124.0 and prior versions
Description:   A vulnerability was reported in Adobe Flash Player. A remote user can conduct cross-site scripting attacks.

The software does not properly process HTTP response headers. A remote user can cause arbitrary scripting code to be executed by the target user's Flash Player. The code may be able to 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.

Adan Barth of UC Berkeley and Collin Jackson of Stanford University 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.
Solution:   The vendor has issued a fix (9.0.151.0), available at:

http://www.adobe.com/go/kb406791

The vendor recommends updating to version 10, if possible.

The vendor's advisory is available at:

http://www.adobe.com/support/security/bulletins/apsb08-20.html

Vendor URL:  www.adobe.com/support/security/bulletins/apsb08-20.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (macOS/OS X), UNIX (Solaris - SunOS), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 12 2008 (Red Hat Issues Fix) Adobe Flash Player HTTP Response Header Processing Flaw Permits Cross-Site Scripting Attacks
Red Hat has released a fix for Red Hat Enterprise Linux 3 and 4 Extras.
Jan 7 2009 (Sun Issues Fix) Adobe Flash Player HTTP Response Header Processing Flaw Permits Cross-Site Scripting Attacks
Sun has issued a fix for Solaris 10 and OpenSolaris.



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