CVE-2022-33683 : Security Advisory and Response
Learn about CVE-2022-33683 impacting Apache Pulsar Brokers and Proxies. Understand the vulnerability, its impact, and mitigation steps to enhance security.
Apache Pulsar Brokers and Proxies are affected by a vulnerability that allows for man-in-the-middle attacks due to disabled certificate validation. This CVE outlines the impact, technical details, and mitigation steps for this security issue.
Understanding CVE-2022-20657
This section provides an overview of the CVE-2022-33683 vulnerability affecting Apache Pulsar Brokers and Proxies.
What is CVE-2022-20657?
Apache Pulsar Broker and Proxy versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; and 2.6.4 and earlier are vulnerable to man-in-the-middle attacks, exposing authentication and configuration data.
The Impact of CVE-2022-20657
The vulnerability allows attackers to intercept intra-cluster and geo-replication HTTPS connections, potentially leaking sensitive data. Attackers can exploit this issue by controlling the network traffic between the client and server.
Technical Details of CVE-2022-20657
This section delves into specific technical details of the CVE-2022-33683 vulnerability.
Vulnerability Description
Apache Pulsar's internal Admin Client does not validate peer TLS certificates, exposing connections to man-in-the-middle attacks.
Affected Systems and Versions
Versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; and 2.6.4 and earlier of Apache Pulsar Brokers and Proxies are affected by this vulnerability.
Exploitation Mechanism
Attackers need to gain control of the network path between the client and server to manipulate traffic and exploit the lack of certificate validation.
Mitigation and Prevention
Learn how to mitigate the impact of CVE-2022-33683 and prevent future vulnerabilities.
Immediate Steps to Take
Users of affected versions should upgrade their Apache Pulsar Brokers and Proxies to the patched versions (2.7.5, 2.8.4, 2.9.3, 2.10.1) and rotate authentication data.
Long-Term Security Practices
Enabling hostname verification is essential to prevent man-in-the-middle attacks and enhance overall security.
Patching and Updates
Regularly update Apache Pulsar installations and apply security patches to address known vulnerabilities.