[MajorSecurity Advisory #56]moziloWiki - Directory Traversal, XSS and SessionFixationIssues Details ======= Product: moziloWiki Security-Risk: High Remote-Exploit: yes Vendor-URL: http://www.mozilo.de/ Vendor-Status: informed Advisory-Status: published Credits ============ Discovered by: David Vieira-Kurz http://www.majorsecurity.de Affected Products: ---------------------------- moziloWiki 1.0.1 and prior Original Advisory: ============ http://www.majorsecurity.de/index_2.php?major_rls=major_rls56 Introduction ============ moziloWiki is an easy to handle wiki system. More Details ============ 1. Directory Traversal: ---------------------- Affected files: print.php -> page parameter Acquiring access to known files outside of the web root and current directory is possible through directory traversal techniques. This is made possible through the use of "../../" in a HTTP request. 2. Cross Site Scripting: ---------------------- Affected files: index.php -> action parameter index.php -> page parameter Affected parameters are not being properly sanitised before being returned to theuser. This can be exploited to execute arbitrary HTML and script code in a user'sbrowser session in context of an affected site. 3. session fixation: --------------------- The "PHPSESSID" parameter can be set to a malicious and arbitrary value. 3.1 Description: In a session fixation attack, the attacker fixes the user's session ID before theuser even logs into the target server. After a user's session ID has been fixed, theattacker will wait for them to login. Once the user does so, the attacker uses thepredefined session ID value to assume their online identity. 3.2 PoC: ============ http://localhost/mozilowiki/?PHPSESSID=15031988 4. Workaround: ================ Update to mozilowiki 1.0.2 History/Timeline ================ 17.09.2008 discovery of the vulnerabilities 18.09.2008 additional tests with other versions 19.09.2008 contacted the vendor 20.09.2008 vendor confirmed vulnerabilities 27.09.2008 vendor released patch 29.09.2008 advisory is written 30.09.2008 advisory released MajorSecurity ================ MajorSecurity is a German penetrationtesting and security research company whichfocuses on web application security. We offer professional penetrationtestings andreliable proof of concepts. You will find more Information about MajorSecurity at http://www.majorsecurity.de/penetrationstest/penetrationtest.php