Improper Certificate Validation in Apache Pulsar - CVE-2022-33683
Published: September 22, 2022
Vulnerability identifier: #VU67595
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-33683
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to Pulsar Brokers and Proxies create an internal Pulsar Admin Client that does not verify peer TLS certificates, even when tlsAllowInsecureConnection is disabled via configuration. A remote attacker can perform MitM attack.
Affected software
Apache Pulsar
How to mitigate CVE-2022-33683
Install updates from vendor's website.
Apache Pulsar - addressed in versions 2.7.5, 2.8.4, 2.9.3, 2.10.1