Improper validation of certificate with host mismatch in Apache Pulsar - CVE-2022-33681
Published: September 22, 2022
Vulnerability identifier: #VU67593
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-33681
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Pulsar
Apache Pulsar
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to delayed TLS hostname verification in the Pulsar Java Client and the Pulsar Proxy. A remote attacker can perform MitM attack.
Remediation
Install updates from vendor's website.