CVE-2019-19996 Explained : Impact and Mitigation

A vulnerability has been found in Intelbras IWR 3000N 1.8.7 devices that allows attackers to trigger a denial of service attack through a malformed login request.

Understanding CVE-2019-19996

This CVE identifies a vulnerability in Intelbras IWR 3000N 1.8.7 devices that can be exploited remotely to cause a denial of service attack.

What is CVE-2019-19996?

The vulnerability in Intelbras IWR 3000N 1.8.7 devices allows attackers to remotely trigger a denial of service attack by sending a malformed login request. This results in the system rebooting due to JSON misparsing in the v1/system/login endpoint.

The Impact of CVE-2019-19996

The exploitation of this vulnerability can lead to a denial of service attack, causing the affected system to reboot unexpectedly.

Technical Details of CVE-2019-19996

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Intelbras IWR 3000N 1.8.7 devices arises from a flaw in processing login requests, allowing attackers to remotely trigger a denial of service attack.

Affected Systems and Versions

Affected Systems: Intelbras IWR 3000N 1.8.7 devices
Affected Versions: 1.8.7

Exploitation Mechanism

Attackers exploit the vulnerability by sending a specially crafted login request to the v1/system/login endpoint, causing JSON misparsing and triggering a denial of service attack.

Mitigation and Prevention

Protecting systems from CVE-2019-19996 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch all software and firmware to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Stay informed about security advisories from the vendor and promptly apply recommended patches to secure the system.