CVE-2019-5610 : What You Need to Know

A denial of service vulnerability in the bsnmp library of FreeBSD versions allows remote attackers to cause a crash or execute out-of-bounds reads.

Understanding CVE-2019-5610

This CVE involves a lack of proper validation in the bsnmp library, potentially leading to a denial of service.

What is CVE-2019-5610?

The bsnmp library in FreeBSD versions 12.0-STABLE, 12.0-RELEASE, 11.3-STABLE, 11.3-RELEASE, and 11.2-RELEASE does not validate submitted lengths correctly, enabling remote attackers to disrupt services.

The Impact of CVE-2019-5610

The vulnerability allows attackers to trigger crashes or read beyond the intended boundaries, resulting in denial of service.

Technical Details of CVE-2019-5610

This section provides detailed technical information about the CVE.

Vulnerability Description

The bsnmp library in FreeBSD versions fails to validate submitted lengths correctly, potentially leading to out-of-bounds reads or crashes.

Affected Systems and Versions

FreeBSD 12.0-RELEASE before 12.0-RELEASE-p9
FreeBSD 11.3-RELEASE before 11.3-RELEASE-p2
FreeBSD 11.2-RELEASE before 11.2-RELEASE-p13

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to cause denial of service by triggering crashes or reading beyond the intended boundaries.

Mitigation and Prevention

Protecting systems from CVE-2019-5610 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the recommended patches provided by FreeBSD promptly.
Monitor security advisories for any updates related to this vulnerability.

Long-Term Security Practices

Regularly update and patch FreeBSD systems to mitigate known vulnerabilities.
Implement network security measures to prevent remote exploitation.

Patching and Updates

Ensure that FreeBSD systems are updated to the patched versions to address the bsnmp library vulnerability.