CVE-2019-13486 Explained : Impact and Mitigation
Learn about CVE-2019-13486 affecting Xymon versions 4.3.28 and below. Discover the impact, technical details, affected systems, exploitation mechanism, and mitigation steps.
Xymon through version 4.3.28 is impacted by a stack-based buffer overflow vulnerability in the status-log viewer component due to the expansion of " " in svcstatus.c.
Understanding CVE-2019-13486
This CVE entry describes a specific vulnerability in Xymon versions 4.3.28 and below.
What is CVE-2019-13486?
The status-log viewer component in Xymon versions 4.3.28 and below contains a stack-based buffer overflow vulnerability. This vulnerability is caused by the expansion of " " in svcstatus.c.
The Impact of CVE-2019-13486
The vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2019-13486
Xymon versions 4.3.28 and below are susceptible to a stack-based buffer overflow due to the way " " is handled in svcstatus.c.
Vulnerability Description
The stack-based buffer overflow vulnerability in the status-log viewer component of Xymon arises from the improper handling of " " expansion in svcstatus.c.
Affected Systems and Versions
- Product: Xymon
- Vendor: N/A
- Versions affected: 4.3.28 and below
Exploitation Mechanism
The vulnerability can be exploited by crafting a malicious input that triggers the buffer overflow, potentially leading to arbitrary code execution.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-13486.
Immediate Steps to Take
- Apply the latest security patches provided by the vendor.
- Implement proper input validation mechanisms to prevent buffer overflows.
- Monitor for any unusual activities on the affected systems.
Long-Term Security Practices
- Regularly update and patch all software components to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate developers and system administrators on secure coding practices.
- Employ network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Check the vendor's official website for patches and updates related to CVE-2019-13486.
- Ensure timely application of patches to secure the affected systems.