CVE-2019-19104 : Exploit Details and Defense Strategies

The ABB/Busch-Jaeger Telephone Gateway TG/S 3.2 vulnerability allows unauthorized access to sensitive information due to improper authentication and access control.

Understanding CVE-2019-19104

This CVE involves an authentication and access control issue in the ABB Telephone Gateway TG/S 3.2 and Busch-Jaeger 6186/11 Telefon-Gateway.

What is CVE-2019-19104?

The vulnerability in the web server of these gateways permits access to application endpoints without authentication, potentially leading to unauthorized retrieval of sensitive data.

The Impact of CVE-2019-19104

CVSS Base Score: 9.1 (Critical)
Confidentiality Impact: High
Integrity Impact: High
Unauthorized access can result in data breaches, privilege escalation, and further security threats.

Technical Details of CVE-2019-19104

The following technical details provide insight into the vulnerability.

Vulnerability Description

The issue allows attackers to access application endpoints without proper authentication, violating access control rules and enabling unauthorized data retrieval.

Affected Systems and Versions

ABB: TG/S 3.2 Telephone Gateway (Version: 2CDG 110 135 R0011)
Busch-Jaeger: 6186/11 Telefon-Gateway (Version: 2CKA006136A0187)

Exploitation Mechanism

Attackers exploit the web server's vulnerability to access specific URLs without authentication, breaching access control rules and retrieving sensitive information.

Mitigation and Prevention

Protect your systems from CVE-2019-19104 with the following measures.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Implement network segmentation to limit unauthorized access.
Monitor and analyze network traffic for suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users on secure practices and awareness.

Patching and Updates

Stay informed about security updates from ABB and Busch-Jaeger.