Apache Pulsar Disabled Certificate Validation for OAuth Client Credential Requests makes C++/Python Clients vulnerable to MITM attack

The Apache Pulsar C++ Client does not verify peer TLS certificates when making HTTPS calls for the OAuth2.0 Client Credential Flow, even when tlsAllowInsecureConnection is disabled via configuration. This vulnerability allows an attacker to perform a man in the middle attack and intercept and/or...

The vulnerabilities of the Pulsar C++ Client and Pulsar Python Client components of the cloud platform for distributed messaging and Apache Pulsar’s streaming communication allow attackers to execute “man-in-the-middle” attacks.

The vulnerability of the Pulsar C++ Client and Pulsar Python Client components of the cloud platform for distributed messaging and Apache Pulsar streaming communication is related to errors in the certificate validation process during TLS authentication. Exploiting this vulnerability could allow ...

PT-2022-5873

Name of the Vulnerable Software and Affected Versions Apache Pulsar C++ Client versions 2.7.0 through 2.7.4 Apache Pulsar C++ Client versions 2.8.0 through 2.8.3 Apache Pulsar C++ Client versions 2.9.0 through 2.9.2 Apache Pulsar C++ Client versions 2.10.0 through 2.10.1 Apache Pulsar C++ Client...