CVE-2020-1948 : Security Advisory and Response

Apache Dubbo Remote Code Execution Vulnerability

Understanding CVE-2020-1948

What is CVE-2020-1948?

Apache Dubbo 2.5.x through 2.7.7 is vulnerable to remote code execution through deserialization. Attackers can exploit this by sending malicious RPC requests.

The Impact of CVE-2020-1948

This vulnerability allows an attacker to execute malicious code when deserializing specific parameter payloads within RPC requests.

Technical Details of CVE-2020-1948

Vulnerability Description

Affected versions: Apache Dubbo 2.5.x, 2.6.0 to 2.6.8, 2.7.0 to 2.7.7
Attack vector: Remote code execution through deserialization

Affected Systems and Versions

Apache Dubbo versions 2.5.x to 2.7.7

Exploitation Mechanism

Attacker sends RPC requests with unrecognized service or method names containing malicious parameter payloads.

Mitigation and Prevention

Immediate Steps to Take

Update Apache Dubbo to versions above 2.7.6 to mitigate the vulnerability.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly monitor and update Apache Dubbo for security patches.
Conduct security audits to identify and mitigate potential vulnerabilities.

Patching and Updates

Apply the latest patches and security updates released by Apache Dubbo to address the vulnerability.