Mozilla Firefox Input Validation Hole in jar: Protocol Handler Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1018928
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SecurityTracker URL: http://securitytracker.com/id?1018928
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CVE Reference: CVE-2007-5947
(Links to External Site)
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Updated: Nov 27 2007
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Original Entry Date: Nov 9 2007
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
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Advisory: Mozilla Foundation Security Advisory
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Version(s): 2.0.0.9
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Description: A vulnerability was reported in Mozilla Firefox. A remote user can conduct cross-site scripting attacks.
The jar: protocol handler does not properly validate the MIME types of archive contents. A remote user can upload a specially crafted
zip file (or certain other files). Then, when the target user loads a jar: URL that points to the zip file, arbitrary scripting
code will be executed by the target user's browser. The code will originate from the site permitting the file upload and will run
in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication
cookies), if any, associated with the site, 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.
Jesse Ruderman, pdp, and beford.org separately reported this vulnerability.
The
original reports are available at:
https://bugzilla.mozilla.org/show_bug.cgi?id=369814
http://www.gnucitizen.org/blog/web-mayhem-firefoxs-jar-protocol-issues
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with an arbitrary site
that allows certain types of file uploads, 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.
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Solution: The vendor has issued a fixed version (2.0.0.10).
The Mozilla advisory is available at:
http://www.mozilla.org/security/announce/2007/mfsa2007-37.html
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Vendor URL: www.mozilla.org/security/announce/2007/mfsa2007-37.html (Links to External Site)
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Cause: Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Fri, 9 Nov 2007 09:13:02 -0500
Subject: Mozilla Firefox
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http://www.gnucitizen.org/blog/web-mayhem-firefoxs-jar-protocol-issues
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