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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Flaws Permit Cross-Site Scripting Attacks and Local File Access
SecurityTracker Alert ID:  1017702
SecurityTracker URL:  http://securitytracker.com/id/1017702
CVE Reference:   CVE-2007-0780, CVE-2007-0800, CVE-2007-0995   (Links to External Site)
Date:  Feb 26 2007
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 1.5.0.10, also 2.0, 2.0.0.1
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can conduct cross-site scripting attacks.

A remote user can create specially crafted URLs or HTML that, when loaded by a target user, may cause arbitrary scripting code to be executed by the target user's browser.

The browser does not properly process invalid trailing characters in HTML tag attributes. This may foil web sites content filters that attempt to remove certain attributes such as event handlers.

The browser assumes that child frames should inherit the character set of the parent window rather than the default setting used for top-level pages. Sites that accept user content but do not specify the character set or encoding to be used may be able to conduct cross-site scripting attacks.

In addition, blocked popups can be used to conduct cross-site scripting attacks or access local files in certain cases.

Stefan Esser, shutdown, Michal Zalewski, and others reported these vulnerabilities.

http://www.hardened-php.net/advisory_032007.142.html

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with certain 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 may be able to access local files.

Solution:   The vendor has issued fixed versions (1.5.0.10, 2.0.0.2).

The Mozilla advisories are available at:

http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
http://www.mozilla.org/security/announce/2007/mfsa2007-05.html

Vendor URL:  www.mozilla.org/security/announce/2007/mfsa2007-02.html (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Mon, 26 Feb 2007 02:11:12 -0500
Subject:  Mozilla Firefox


http://www.mozilla.org/security/announce/2007/mfsa2007-02.html

CVE-2007-0995

http://www.mozilla.org/security/announce/2007/mfsa2007-05.html

CVE-2007-0780
CVE-2007-0800
 
 


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