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Jobberbase 2.0 Disclosure / XSS / Code Execution / Upload

🗓️ 08 Sep 2016 00:00:00Reported by Ross MarksType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 31 Views

Jobberbase 2.0 security vulnerabilities: Local path disclosure, Open redirect, XSS, Unrestricted file upload, Code execution race condition, SQL injectio

Code
`Jobberbase: http://www.jobberbase.com/  
Version: 2.0  
By Ross Marks: http://www.rossmarks.co.uk  
  
1) Local path disclosure - change any variable to an array and in most cases it will tell you the local path where the application is installed  
eg. http://example.com/api/api.php?action=getJobs&type[]=0&category=0&count=5&random=1&days_behind=7&response=js  
returns: Array to string conversion in <b>/var/www/jobberbase/_lib/class.Job.php</b>  
  
2) Open redirect - when submitting an application can change "Referer:" header to anything and will redirect there  
  
3) reflect XSS in username - http://example.com/admin/  
eg. "><script>alert(1)</script>  
reflect XSS in search: http://example.com/search/|<img src="x" onError="alert(1)">/  
  
4) persistant XSS on admin backend homepage  
create a job and give the URL:  
" onhover="alert(1)  
persistant XSS - admin add to category name (no protection)  
  
5) unrestricted file upload  
upload CV accepts any filetype appends _ uniqueid() to filename  
eg. "file.php" becomes "file_<uniqueid>.php"  
uniquid in in insecure method for generating random sequences and is based on microtime  
if the server is using an older version of PHP a null byte can be used   
ie. "test.php%00.php" would be uploaded as "test.php"  
  
6) code execution race condition:  
if the admin has chosen to not store uploaded CV's   
they are first moved from /tmp to the writable /upload directory before being unlinked  
this gives a brief window of opportunity for an attacker to run http://example.com/uploads/file.php before it is deleted  
  
7) SQL injection in http://example.com/api/api.php?action=getJobs&type=0&category=0&count=5&random=1&days_behind=7&response=js  
days_behind parameter is vulnerable  
  
** notes **  
  
admin change password page don't need old password, no csrf token just a simple POST request.  
admin password stored in md5 format unsalted  
cookies do NOT have "secure" or "HTTPonly" flags enabled  
no csrf anywhere  
  
`

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