Advisory: ActiveWeb Contentserver CMS Multiple Cross Site Scriptings RedTeam Pentesting discovered three Cross Site Scripting vulnerabilities in the activeWeb contentserver CMS during a penetration test. One of the Cross Site Scriptings is persistent. Details ======= Product: activeWeb contentserver Affected Versions: <= 5.6.2929 Fixed Versions: 5.6.2964 Vulnerability Type: Cross Site Scripting Security-Risk: high Vendor-URL: http://www.active-web.de/aw/home/Produkte/~gf/contentserver/ Vendor-Status: informed, fixed version released Advisory-URL: http://www.redteam-pentesting.de/advisories/rt-sa-2007-005.php Advisory-Status: public CVE: CVE-2007-3014 CVE-URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3014 Introduction ============ contentserver is the comprehensive, scalable Content Management System for professional requirements. It combines editorial system, website management and development platform for web applications in one package. (translation of the description on the vendor's homepage) XSS Error Page rights.asp ========================= The variable "msg" of the ASP script "rights.asp" is not properly filtered. Proof of Concept ---------------- http://www.example.com/errors/rights.asp ?awReadAccessRight=True &msg=<script>alert('XSS')</script> XSS Error Page transaction.asp ============================== The variable "msg" of the ASP script "transaction.asp" is not properly filtered. Proof of Concept ---------------- http://www.example.com/errors/transaction.asp ?msg=<script>alert('XSS')</script> Persistent XSS Mimetypes ======================== As editors, users can add new mimetypes to the the system. The name of the new mimetype can contain arbitrary code. This allows for a persistent Cross Site Scripting. Proof of Concept ---------------- As an editor, log into the management interface and add a new mimetype. For the name, use a script, e.g. <script>alert('XSS')</script> Everytime a user looks at the mimetypes, the code will be executed. Workaround ========== A possible workaround would be to use a filtering application set up in front of the real webserver, mitigating the risk of being exploited. Fix === The vulnerability is fixed in release 5.6.2964. Security Risk ============= The risk is high, as these XSS can be used e.g. to steal session cookies of logged-in users. History ======= 2007-05-23 Problem found during a penetration test 2007-05-30 Vendor notified by customer 2007-06-01 Vendor called back and confirmed the vulnerability 2007-06-18 CVE number assigned 2007-07-11 Vendor released fixed version 2007-07-13 Advisory released The vendor was very cooperative. There was always a competent contact person available who answered any questions. RedTeam Pentesting GmbH ======================= RedTeam Pentesting is offering individual penetration tests, short pentests, performed by a team of specialised IT-security experts. Hereby, security weaknesses in company networks or products are uncovered and can be fixed immediately. As there are only few experts in this field, RedTeam Pentesting wants to share its knowledge and enhance the public knowledge with research in security related areas. The results are made available as public security advisories. More information about RedTeam Pentesting can be found at http://www.redteam-pentesting.de. -- RedTeam Pentesting GmbH Tel.: +49 241 963-1300 Dennewartstr. 25-27 Fax : +49 241 963-1304 52068 Aachen http://www.redteam-pentesting.de/ Germany Registergericht: Aachen HRB 14004 Geschäftsführer: Patrick Hof, Jens Liebchen, Claus R. F. Overbeck
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