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Category:   Application (Multimedia)  >   Adobe Flash Player Vendors:   Adobe Systems Incorporated
Adobe Flash Bug Lets Remote Users Hijack User Clicks
SecurityTracker Alert ID:  1020996
SecurityTracker URL:  http://securitytracker.com/id/1020996
CVE Reference:   CVE-2008-4503   (Links to External Site)
Updated:  Oct 15 2008
Original Entry Date:  Oct 8 2008
Impact:   Disclosure of user information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 9.0.124.0 and prior versions
Description:   A vulnerability was reported in Adobe Flash Player. A remote user can hijack the target user's click actions.

A remote user can create specially crafted Flash content that, when loaded by the target user, will hijack the target user's click actions. This can be exploited to cause links to load that are different links than those displayed to the target user. For example, this can be exploited to access the target user's camera and microphone without the target user's knowledge.

A demonstration exploit is available at:

http://blog.guya.net/2008/10/07/malicious-camera-spying-using-clickjacking/

A video describing the demonstration exploit is available at:

http://www.youtube.com/watch?v=gxyLbpldmuU

Robert Hansen of SecTheory and Jeremiah Grossman of WhiteHat Security, Eduardo Vela, Matthew Mastracci of DotSpots, and Liu Die Yu reported this vulnerability.

[Editor's note: Several web browsers are vulnerable to similar clickjacking attacks. This alert addresses Flash Player only and just some of the variants of clickjacking.]

Impact:   A remote user can hijack the target user's click actions.
Solution:   The vendor has issued a fix (10.0.12.36).

The vendor plans to issue a fix for version 9.x in November 2008.

The vendor's advisory is available at:

http://www.adobe.com/support/security/bulletins/apsb08-18.html

The vendor's original advisory is available at:

http://www.adobe.com/support/security/advisories/apsa08-08.html

Vendor URL:  www.adobe.com/support/security/bulletins/apsb08-18.html (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (macOS/OS X), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 28 2008 (Red Hat Issues Fix) Adobe Flash Bug Lets Remote Users Hijack User Clicks
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Nov 12 2008 (Red Hat Issues Fix) Adobe Flash Bug Lets Remote Users Hijack User Clicks
Red Hat has released a fix for Red Hat Enterprise Linux 3 and 4 Extras.



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