SQL Injection in Terminal Voice Audit feature of SmartVista SVFE2 version 2.2.22 (CVE-2022-38617)


Exploit Title: SQL Injection in Terminal Tariff Group feature of SmartVista SVFE2 version 2.2.22
Date: 26/07/2022
Exploit Author: Trong Pham aka Dtro of VietSunshine Cyber Security Services
Vendor Homepage: https://www.bpcbt.com/
Affected Version(s): SmartVista SVFE2 version 2.2.22
Description: SmartVista SVFE2 version 2.2.22 and earlier are affected by an SQL Injection vulnerability. An authenticated users could inject SQL query to "voiceAudit:j_id97" parameter in /SVFE2/pages/audit/voiceaudit.jsf to dump all databases.
Steps to reproduce:
  • An attacker requires an account on the SmartVista SVFE2. An attacker can use a quote character to break query string and inject sql payload to "voiceAudit:j_id97" parameter in /SVFE2/pages/audit/voiceaudit.jsf. Response data could help an attacker identify whether an injected SQL query is correct or not.
  • Example of injecting SQL to "voiceAudit:j_id97" parameter:
    • 1')or 1=1) -- --> Correct query -> return all data in table
    • 1')or 1=2) -- -> Wrong query -> return without data