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'Seo Panel' Cookie-Rendered Persistent XSS Vulnerability (CVE-2010-4331)
- To: bugtraq@xxxxxxxxxxxxxxxxx
- Subject: 'Seo Panel' Cookie-Rendered Persistent XSS Vulnerability (CVE-2010-4331)
- From: Mark Stanislav <mark.stanislav@xxxxxxxxx>
- Date: Sat, 15 Jan 2011 14:38:44 -0500
'Seo Panel' Cookie-Rendered Persistent XSS Vulnerability (CVE-2010-4331)
Mark Stanislav - mark.stanislav@xxxxxxxxx
I. DESCRIPTION
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A vulnerability exists in 'Seo Panel' page rendering which allows for
unfiltered, unencrypted content to be presented to a user through two different
cookies.
II. TESTED VERSION
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2.2.0
III. PoC EXPLOIT
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Alter the value of cookies called 'default_news' or 'sponsors' and then view a
site page which includes controllers/index.ctrl.php or
controllers/settings.ctrl.php that will render the cookies as they exist on the
user's machine.
IV. NOTES
---------------------------------------
* The 'default_news' cookie doesn't require a user to be authenticated whereas
'sponsors' does
* The disclosure date was pushed a full month so that a fix could be released
but no update was released yet
* Based on discussions with the developer, they will likely encrypt the cookie
contents to prevent this issue
V. SOLUTION
---------------------------------------
Upgrade to a release > 2.2.0 when available or otherwise disable cookie
rendering.
VI. REFERENCES
---------------------------------------
http://www.seopanel.in/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4331
http://www.uncompiled.com/2011/01/seo-panel-cookie-rendered-persistent-xss-vulnerability-cve-2010-4331/
VII. TIMELINE
---------------------------------------
11/24/2010 - Initial vendor disclosure
11/25/2010 - Vendor response and commitment to fix
11/25/2010 - Reply to vendor detailing potential fixes and an adjusted public
disclosure date
11/25/2010 - Vendor response confirming desired public disclosure date and
agreement to patch method
01/15/2011 - Public disclosure