CVE-2019-12989 : Exploit Details and Defense Strategies

SQL Injection is possible in versions of Citrix SD-WAN older than 10.2.3 and NetScaler SD-WAN older than 10.0.8.

Understanding CVE-2019-12989

Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow SQL Injection.

What is CVE-2019-12989?

CVE-2019-12989 is a vulnerability that enables SQL Injection in specific versions of Citrix SD-WAN and NetScaler SD-WAN.

The Impact of CVE-2019-12989

This vulnerability could allow attackers to execute malicious SQL queries, potentially leading to unauthorized access, data manipulation, or data exfiltration.

Technical Details of CVE-2019-12989

Citrix SD-WAN and NetScaler SD-WAN are affected by this vulnerability.

Vulnerability Description

The vulnerability allows for SQL Injection in Citrix SD-WAN versions prior to 10.2.3 and NetScaler SD-WAN versions before 10.0.8.

Affected Systems and Versions

Citrix SD-WAN versions 10.2.x before 10.2.3
NetScaler SD-WAN versions 10.0.x before 10.0.8

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious SQL queries into the affected systems, potentially gaining unauthorized access or manipulating data.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-12989.

Immediate Steps to Take

Update Citrix SD-WAN to version 10.2.3 or newer.
Update NetScaler SD-WAN to version 10.0.8 or above.
Monitor and restrict SQL queries to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement strict input validation to mitigate SQL Injection risks.

Patching and Updates

Apply security patches provided by Citrix for Citrix SD-WAN and NetScaler SD-WAN.