CVE-2019-13485 : What You Need to Know

Xymon through version 4.3.28 is affected by a stack-based buffer overflow vulnerability in the history viewer component. An attacker can exploit this issue by providing a lengthy hostname or service parameter to the history.c module.

Understanding CVE-2019-13485

This CVE details a critical vulnerability in Xymon that could lead to a stack-based buffer overflow.

What is CVE-2019-13485?

The vulnerability in Xymon up to version 4.3.28 allows attackers to trigger a buffer overflow by sending specially crafted input to the history viewer component.

The Impact of CVE-2019-13485

Exploitation of this vulnerability could result in arbitrary code execution or denial of service (DoS) attacks on systems running the affected Xymon versions.

Technical Details of CVE-2019-13485

Xymon's vulnerability to a stack-based buffer overflow and its potential consequences.

Vulnerability Description

The stack-based buffer overflow vulnerability in Xymon's history viewer component can be triggered by providing excessive input to the history.c module.

Affected Systems and Versions

Xymon versions up to 4.3.28 are vulnerable to this stack-based buffer overflow.

Exploitation Mechanism

Attackers can exploit this vulnerability by supplying an overly long hostname or service parameter to the history.c module.

Mitigation and Prevention

Steps to mitigate the risks associated with CVE-2019-13485.

Immediate Steps to Take

Update Xymon to version 4.3.29 or later to patch the stack-based buffer overflow vulnerability.
Monitor network traffic for any signs of exploitation attempts targeting the history viewer component.

Long-Term Security Practices

Implement input validation mechanisms to prevent buffer overflow vulnerabilities in software applications.
Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Regularly check for security updates and patches released by Xymon to address known vulnerabilities like the stack-based buffer overflow in the history viewer component.