CVE-2019-12727 : Vulnerability Insights and Analysis

Ubiquiti airCam 3.1.4 devices are vulnerable to a Denial of Service (DoS) attack through the RTSP Service provided by the ubnt-streamer binary.

Understanding CVE-2019-12727

What is CVE-2019-12727?

The vulnerability in the RTSP Service on Ubiquiti airCam 3.1.4 devices allows attackers to trigger a DoS by sending malformed RTSP requests, leading to an invalid memory read.

The Impact of CVE-2019-12727

This vulnerability can be exploited by attackers crafting RTSP requests with an excessive number of headers, potentially causing service disruption and system instability.

Technical Details of CVE-2019-12727

Vulnerability Description

The vulnerability in the RTSP Service of the ubnt-streamer binary on Ubiquiti airCam 3.1.4 devices allows for a DoS attack through malformed RTSP requests.

Affected Systems and Versions

Affected System: Ubiquiti airCam 3.1.4 devices
Vulnerable Component: RTSP Service provided by the ubnt-streamer binary

Exploitation Mechanism

Attackers exploit the vulnerability by sending RTSP requests with a large number of headers

Mitigation and Prevention

Immediate Steps to Take

Disable RTSP Service if not required
Implement network-level controls to filter and block malicious RTSP requests

Long-Term Security Practices

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

Patching and Updates

Check for security advisories from Ubiquiti and apply patches promptly to mitigate the vulnerability