CVE-2020-35141 Explained : Impact and Mitigation

CVE-2020-35141, assigned by MITRE, relates to an issue in OFPQueueGetConfigReply in Faucet SDN Ryu version 4.34, potentially leading to a denial of service (DoS) attack.

Understanding CVE-2020-35141

What is CVE-2020-35141?

CVE-2020-35141 is a vulnerability in Faucet SDN Ryu version 4.34 that allows remote attackers to trigger an infinite loop, resulting in a denial of service (DoS) condition.

The Impact of CVE-2020-35141

This vulnerability can be exploited by remote attackers to disrupt the normal operation of the affected system, leading to a DoS condition.

Technical Details of CVE-2020-35141

Vulnerability Description

The issue lies in OFPQueueGetConfigReply in parser.py in Faucet SDN Ryu version 4.34, enabling attackers to cause an infinite loop, resulting in a DoS.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions of Faucet SDN Ryu version 4.34 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to trigger an infinite loop, causing the system to become unresponsive and leading to a DoS condition.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor patches or updates as soon as they are available.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users and administrators about best practices for cybersecurity.

Patching and Updates

It is crucial to apply patches or updates provided by the vendor to mitigate the vulnerability and enhance the security of the system.