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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:
Mozilla Firefox Multiple Flaws Permit Remote Code Execution and Keystroke Detection
SecurityTracker Alert ID:  1026445
SecurityTracker URL:
CVE Reference:   CVE-2011-3658, CVE-2011-3660, CVE-2011-3661, CVE-2011-3663, CVE-2011-3664, CVE-2011-3665, CVE-2011-3666   (Links to External Site)
Date:  Dec 21 2011
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Prior to 9.0
Description:   Multiple vulnerabilities were reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can detect keystrokes when scripting is disabled.

A remote user can create specially crafted content that, when loaded by the target user, will trigger a memory corruption error and execute arbitrary code on the target system [CVE-2011-3660]. The code will run with the privileges of the target user.

Specially crafted JavaScript can trigger a flaw in the YARR regular expression library that could be triggered by javascript in web content [CVE-2011-3661]. Firefox version 3.6 is not affected.

If SVG elements are removed during a DOMAttrModified event handler, an out-of-bounds memory access error may occur [CVE-2011-3658]. Versions prior to Firefox 8 are not affected.

A remote user can exploit SVG animation accessKey events to detect key strokes even when JavaScript was disabled [CVE-2011-3663]. Firefox version 3.6 is not affected.

When a plugin deletes its containing DOM frame during a call from that frame, a null pointer dereference can occur on OS X [CVE-2011-3664].

A crash may occur when scaling an OGG <video> element to extreme sizes [CVE-2011-3665]. Firefox version 3.6 is not affected.

The fix for the vulnerability reported in MFSA 2011-40 (to treat .jar files as executables) was incomplete on Mac OS X [CVE-2011-3666].

Alexandre Poirot, Chris Blizzard, Kyle Huey, Scoobidiver, Christian Holler, David Baron, Gary Kwong, Jim Blandy, Bob Clary, Jesse Ruderman, Marcia Knous, Rober Longson, Aki Helin, regenrecht (via TippingPoint's Zero Day Initiative), Mario Heiderich, Richard Bateman, and sczimmer reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can detect user keystrokes when scripting is disabled.

Solution:   The vendor has issued a fix (3.6.25, 9.0).

The vendor's advisories are available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, State error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.

 Source Message Contents

Date:  Wed, 21 Dec 2011 13:48:49 +0000
Subject:  Mozilla Firefox



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