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Category:   Application (Web Browser)  >   Secure Web Browser Vendors:   HPE
(HP Issues Fix for Secure Web Browser for OpenVMS) Firefox onload() History Access Bug and Install Function Scripting Execution Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1014324
SecurityTracker URL:  http://securitytracker.com/id/1014324
CVE Reference:   CVE-2005-1476, CVE-2005-1477   (Links to External Site)
Date:  Jun 29 2005
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.7-7
Description:   Several vulnerabilities were reported in Firefox. A remote user can execute arbitrary code on the target user's system. Secure Web Browser for OpenVMS is affected.

A remote user can create specially crafted HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can cause a Firefox chrome page to load a 'javascript:' URL with privileges. The addon install function can be made to display an icon containing a 'javascript:' URL to achieve this.

Because the vulnerable install function can only be loaded via 'update.mozilla.org' or 'addon.mozilla.org', the remote user must exploit a separate vulnerability to trigger the flaw. The onload() event can be exploited via a frame within a javascript page to access ostensibly restricted elements of the window object, such as the history. The history object can be accessed to navigate back to the calling javascript page and execute the page within the context of a window (displaying 'mozilla.org' web page content).

A demonstration exploit is available at:

http://greyhatsecurity.org/vulntests/ffrc.htm

Paul from Greyhats Security reported this vulnerability. Michael Krax assisted in researching this vulnerability.

Impact:   A remote user can execute arbitrary code on the target user's system.
Solution:   HP has issued a fixed version of the Secure Web Browser (V1.7-8) for OpenVMS Alpha, available at:

http://h71000.www7.hp.com/openvms/products/ips/cswb/cswb_download.html

The filename is:

CSWB-OPENVMS-ALPHA-V178.SFX_AXPEXE (self-extracting PCSI kit).

Vendor URL:  www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBOV01209 (Links to External Site)
Cause:   Access control error
Underlying OS:  OpenVMS

Message History:   This archive entry is a follow-up to the message listed below.
May 8 2005 Firefox onload() History Access Bug and Install Function Scripting Execution Flaw Lets Remote Users Execute Arbitrary Code



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