CVE-2023-31007: Apache Pulsar: Broker does not always disconnect client when authentication data expires
Improper Authentication vulnerability in Apache Software Foundation Apache Pulsar Broker allows a client to stay connected to a broker after authentication data expires if the client connected through the Pulsar Proxy when the broker is configured with authenticateOriginalAuthData=false or if a client connects directly to a broker with a specially crafted connect command when the broker is configured with authenticateOriginalAuthData=false.
This issue affects Apache Pulsar: through 2.9.4, from 2.10.0 through 2.10.3, 2.11.0.
2.9 Pulsar Broker users should upgrade to at least 2.9.5. 2.10 Pulsar Broker users should upgrade to at least 2.10.4. 2.11 Pulsar Broker users should upgrade to at least 2.11.1. 3.0 Pulsar Broker users are unaffected. Any users running the Pulsar Broker for 2.8. and earlier should upgrade to one of the above patched versions.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-31007?
CVE-2023-31007 is an improper authentication vulnerability in Apache Pulsar Broker.
How does CVE-2023-31007 affect Apache Pulsar Broker?
CVE-2023-31007 allows a client to stay connected to a broker after authentication data expires.
What is the severity of CVE-2023-31007?
CVE-2023-31007 has a severity score of 6.5 (Medium).
How can I fix CVE-2023-31007?
To fix CVE-2023-31007, update your Apache Pulsar Broker to version 2.11.1 or 2.10.4.
Where can I find more information about CVE-2023-31007?
You can find more information about CVE-2023-31007 on the NIST website, Apache mailing list, and GitHub advisory.