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SQL Injection in Terminal Tariff Group feature of SmartVista SVFE2 version 2.2.22 (CVE-2022-38616)

CVE-2022-38616

Exploit Title: SQL Injection in Terminal Tariff Group feature of SmartVista SVFE2 version 2.2.22
Date: 26/07/2022
Exploit Author: Tin Pham aka TF1T 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 "UserForm:j_id90" parameter (Description) in /SVFE2/pages/feegroups/tgrt_group.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 "UserForm:j_id90" parameter (Description) in /SVFE2/pages/feegroups/tgrt_group.jsf. Response data could help an attacker identify whether an injected SQL query is correct or not.
  • Example of injecting SQL to "UserForm:j_id90" parameter (Description):
    • 'or '1%' LIKE '1 -> Correct query -> Return all rows in current table
    • 'or '1%' LIKE '0 -> Wrong query -> Return 0 row
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