CVE-2017-0938 : Security Advisory and Response

CVE-2017-0938 was published on February 6, 2019, by HackerOne. The vulnerability affects airMAX and EdgeMAX products, allowing attackers to conduct Denial of Service attacks.

Understanding CVE-2017-0938

CVE-2017-0938 involves a vulnerability in the Discovery Protocol that can be exploited for amplification attacks in specific versions of airMAX and EdgeMAX products.

What is CVE-2017-0938?

The vulnerability in CVE-2017-0938 enables attackers to exploit the Discovery Protocol, leading to amplification attacks in airMAX versions prior to 8.3.2, airMAX versions prior to 6.0.7, and EdgeMAX versions prior to 1.9.7, resulting in Denial of Service attacks.

The Impact of CVE-2017-0938

Exploitation of this vulnerability can result in a Denial of Service attack, disrupting the normal operation of affected systems and potentially causing downtime.

Technical Details of CVE-2017-0938

CVE-2017-0938 involves the following technical aspects:

Vulnerability Description

The vulnerability allows attackers to use the Discovery Protocol in amplification attacks on airMAX and EdgeMAX products.

Affected Systems and Versions

Products: airMAX, EdgeMAX
Versions: airMAX < 8.3.2, airMAX < 6.0.7, EdgeRouter < v1.9.7

Exploitation Mechanism

Attackers exploit the vulnerability by leveraging the Discovery Protocol in amplification attacks, leading to Denial of Service incidents.

Mitigation and Prevention

To address CVE-2017-0938, consider the following mitigation strategies:

Immediate Steps to Take

Update affected systems to versions beyond the specified vulnerable releases.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any signs of amplification attack patterns.

Long-Term Security Practices

Regularly update and patch network devices to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Apply patches and updates provided by the vendor to secure systems against known vulnerabilities.