CVE-2019-11415 : What You Need to Know

A vulnerability has been identified in Intelbras IWR 3000N 1.5.0 devices, allowing remote attackers to initiate a denial of service attack through a malformed login request.

Understanding CVE-2019-11415

This CVE involves a vulnerability in Intelbras IWR 3000N 1.5.0 devices that can be exploited by attackers to cause a denial of service by triggering a device reboot.

What is CVE-2019-11415?

The vulnerability in Intelbras IWR 3000N 1.5.0 devices allows remote attackers to exploit an improperly formatted login request, leading to a denial of service attack that causes the device to reboot. The attack leverages JSON misparsing of specific strings targeting the v1/system/login endpoint.

The Impact of CVE-2019-11415

The exploitation of this vulnerability can result in a denial of service attack, disrupting the normal operation of the affected devices and potentially causing service interruptions.

Technical Details of CVE-2019-11415

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from a flaw in the handling of login requests in Intelbras IWR 3000N 1.5.0 devices, allowing attackers to trigger a denial of service attack by exploiting JSON misparsing of certain strings.

Affected Systems and Versions

Product: Intelbras IWR 3000N 1.5.0
Vendor: Intelbras
Versions affected: 1.5.0

Exploitation Mechanism

Attackers can exploit the vulnerability by sending a specifically crafted login request to the v1/system/login endpoint, causing the device to reboot due to misparsing of JSON strings.

Mitigation and Prevention

To address CVE-2019-11415, users and administrators can take the following steps:

Immediate Steps to Take

Implement network segmentation to limit access to vulnerable devices.
Monitor network traffic for any suspicious login requests.
Apply vendor-supplied patches or updates to fix the vulnerability.

Long-Term Security Practices

Regularly update and patch all devices and software in the network.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate users on best practices for secure login procedures.
Consider implementing additional security measures such as intrusion detection systems.

Patching and Updates

Intelbras may release patches or updates to address the vulnerability. Users should promptly apply these patches to secure their devices against potential attacks.