Yonyou KSOA SQL Injection Vulnerability in v9.0

A SQL injection vulnerability has been identified in Yonyou KSOA version 9.0. The issue resides in the '/kmf/folder.jsp' file, where the application improperly handles the 'folderid' parameter in HTTP GET requests. This lack of validation allows unauthenticated remote attackers to inject malicious SQL commands, potentially leading to unauthorized database access, data leakage, or manipulation of the database server. The vulnerability affects environments using Microsoft SQL Server.

Impact

Exploitation of this vulnerability allows for SQL injection, with potential consequences including unauthorized database access, data leakage, data manipulation, and in some cases, administrative control over the database server.

Reproduction

The vulnerability can be reproduced by sending a GET request to '/kmf/folder.jsp' with a crafted 'folderid' parameter that includes SQL injection payloads. This can be automated using tools like sqlmap, targeting the Microsoft SQL Server database.

Remediation

No specific mitigation measures are known for this vulnerability.