CVE-2020-4579 : Exploit Details and Defense Strategies

IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 is susceptible to a denial of service vulnerability due to specially crafted HTTP/2 requests.

Understanding CVE-2020-4579

IBM DataPower Gateway is affected by a denial of service vulnerability that could be exploited by a remote attacker.

What is CVE-2020-4579?

CVE-2020-4579 is a vulnerability in IBM DataPower Gateway versions 2018.4.1.0 through 2018.4.1.12 that allows a remote attacker to trigger a denial of service by sending a malicious HTTP/2 request.

The Impact of CVE-2020-4579

The vulnerability has a CVSS base score of 7.5 (High severity) and could result in a denial of service attack, impacting the availability of the affected systems.

Technical Details of CVE-2020-4579

IBM DataPower Gateway vulnerability details and affected systems.

Vulnerability Description

IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 is prone to a denial of service attack caused by malformed HTTP/2 requests.

Affected Systems and Versions

Product: DataPower Gateway
Vendor: IBM
Vulnerable Versions: 2018.4.1.0, 2018.4.1.12

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Availability Impact: High
Exploit Code Maturity: Unproven
Privileges Required: None
Remediation Level: Official Fix

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-4579 vulnerability.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor network traffic for any suspicious HTTP/2 requests.

Long-Term Security Practices

Regularly update and patch IBM DataPower Gateway to the latest versions.
Implement network security measures to detect and block malicious traffic.

Patching and Updates

Stay informed about security bulletins and updates from IBM regarding DataPower Gateway.