[PCWorks] Firefox 3 Vulnerability-URI Launching and XUL Error Page Vulnerabilities
- From: "Clint Hamilton-PCWorks Admin" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
- To: "PCWorks@xxxxxxxxxxxxx" <pcworks@xxxxxxxxxxxxx>
- Date: Thu, 17 Jul 2008 07:41:09 -0500
BTW, is FF3 out of Beta yet?
-Clint
TITLE:
Mozilla Firefox 3 URI Launching and XUL Error Page
Vulnerabilities
SECUNIA ADVISORY ID:
SA31106
VERIFY ADVISORY:
http://secunia.com/advisories/31106/
CRITICAL:
Highly critical
IMPACT:
Security Bypass, Spoofing, System access
WHERE:
From remote
SOFTWARE:
Mozilla Firefox 3.x
http://secunia.com/product/19089/
DESCRIPTION:
Some vulnerabilities have been reported in Firefox 3, which can
be
exploited by malicious people to bypass certain security
restrictions, potentially conduct spoofing attacks, or
compromise a
user's system.
1) A vulnerability can be exploited to launch e.g. "file" or
"chrome:" URIs in Firefox.
For more information see:
SA31120
2) Input passed to XUL based error pages is not properly
sanitised
before being returned to a user and can be exploited to e.g.
conduct
spoofing attacks.
In combination with vulnerability #1 this can be exploited to
inject
arbitrary script code and execute arbitrary code in "chrome"
context,
but requires that a specially crafted URI is passed to Firefox
and
that Firefox is not running.
The vulnerabilities are reported in versions prior to 3.0.1.
SOLUTION:
Update to version 3.0.1.
http://www.mozilla.com/en-US/firefox/
ORIGINAL ADVISORY:
MFSA 2008-35:
http://www.mozilla.org/security/announce/2008/mfsa2008-35.html
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