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Date: Tue, 30 Aug 2011 15:25:15 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: coley <coley@...re.org>
Subject: Re: CVE Request: Jcow CMS 4.2 <= | Cross Site
 Scripting

Please use CVE-2011-3202

Thanks.

-- 
    JB


----- Original Message -----
> Jcow CMS 4.2 <= | Cross Site Scripting
> 
> 
> 1. OVERVIEW
> 
> Jcow CMS 4.2 and lower versions are vulnerable to Cross Site
> Scripting.
> 
> 
> 2. BACKGROUND
> 
> Jcow is a flexible Social Networking software written in PHP. It can
> help you to build a social network for your interests and passions, a
> member community for your existing website and a social networking
> site like facebook/myspace/twitter.
> 
> 
> 3. VULNERABILITY DESCRIPTION
> 
> The parameter "g" is not properly sanitized upon submission to
> /index.php, which allows attacker to conduct Cross Site Scripting
> attack. This may allow an attacker to create a specially crafted URL
> that would execute arbitrary script code in a victim's browser.
> 
> 
> 4. VERSIONS AFFECTED
> 
> Jcow CMS 4.2 and lower
> 
> 
> 5. PROOF-OF-CONCEPT/EXPLOIT
> 
> File : /includes/libs/member.module.php:
> Line 605: <input type="hidden" name="g" value="'.$_REQUEST['g'].'" />
> 
> http://[target]/index.php?p=member/signup&email=&username=&password=&fullname=&birthyear=1991&birthmonth=01&birthday=01&gender=0&location=Myanmar++&about_me=&recaptcha_challenge_field=03AHJ_Vuvk8U6zCeSdrjB0GPDuwaRP-tPJ2G7u3Nm5LpmVSGmZs_CIP9I_C0PYZ1zYY6F42zpzGKQkxSiUhhyu-QhhwZA6oTlLNntgAgmRkDjfZpu3j4-bMeQNpOVh1afb4fZ4qwaIxHpP1wL8-8-LgkEBE5auAFmF_w&recaptcha_response_field=&g=%22%3E%3Cscript%3Ealert%28/XSS/%29%3C/script%3E&onpost=1&agree_rules=1
> 
> 
> 6. SOLUTION
> 
> Upgrade to 4.3.1 or higher.
> The commercial version 5.x.x is not vulnerable.
> 
> 
> 7. VENDOR
> 
> Jcow CMS Development Team
> http://www.jcow.net
> 
> 
> 8. CREDIT
> 
> This vulnerability was discovered by Aung Khant, http://yehg.net, YGN
> Ethical Hacker Group, Myanmar.
> 
> 
> 9. DISCLOSURE TIME-LINE
> 
> 2010-06-03: notified vendor
> 2010-06-03: vendor replied fix would be available within 48hrs
> 2011-08-24: vendor released fixed version, jcow.4.3.1.ce
> 2011-08-26: vulnerability disclosed
> 
> 
> 10. REFERENCES
> 
> Original Advisory URL:
> http://yehg.net/lab/pr0js/advisories/[jcow_4.2]_cross_site_scripting
> Jcow CMS:
> http://sourceforge.net/projects/jcow/files/jcow4/jcow.4.2.1.zip/download
> 
> 
> #yehg [2011-08-26]
> 
> 
> ---------------------------------
> Best regards,
> YGN Ethical Hacker Group
> Yangon, Myanmar
> http://yehg.net
> Our Lab | http://yehg.net/lab
> Our Directory | http://yehg.net/hwd

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