Vulnerability Description
Improper Authentication vulnerability in Apache Pulsar WebSocket Proxy allows an attacker to connect to the /pingpong endpoint without authentication. This issue affects Apache Pulsar WebSocket Proxy: from 2.8.0 through 2.8.*, from 2.9.0 through 2.9.*, from 2.10.0 through 2.10.4, from 2.11.0 through 2.11.1, 3.0.0. The known risks include a denial of service due to the WebSocket Proxy accepting any connections, and excessive data transfer due to misuse of the WebSocket ping/pong feature. 2.10 Pulsar WebSocket Proxy users should upgrade to at least 2.10.5. 2.11 Pulsar WebSocket Proxy users should upgrade to at least 2.11.2. 3.0 Pulsar WebSocket Proxy users should upgrade to at least 3.0.1. 3.1 Pulsar WebSocket Proxy users are unaffected. Any users running the Pulsar WebSocket Proxy for 2.8, 2.9, and earlier should upgrade to one of the above patched versions.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Pulsar | < 2.10.5 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2023/12/20/2Mailing List
- https://lists.apache.org/thread/od0k9zts1toc9h9snbqq4pjpyx28mv4mMailing List
- http://www.openwall.com/lists/oss-security/2023/12/20/2Mailing List
- https://lists.apache.org/thread/od0k9zts1toc9h9snbqq4pjpyx28mv4mMailing List
FAQ
What is CVE-2023-37544?
CVE-2023-37544 is a vulnerability with a CVSS score of 7.5 (HIGH). Improper Authentication vulnerability in Apache Pulsar WebSocket Proxy allows an attacker to connect to the /pingpong endpoint without authentication. This issue affects Apache Pulsar WebSocket Proxy...
How severe is CVE-2023-37544?
CVE-2023-37544 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-37544?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Pulsar.