CVE-2022-33681: Improper Hostname Verification in Java Client and Proxy can expose authentication data via MITM
First published: Thu Sep 22 2022(Updated: )
A flaw was found in the Apache Pulsar Java Client. This flaw allows an attacker to use a Man-in-the-Middle (MITM) attack, manipulating network traffic and gaining the client's authentication data.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Pulsar | <2.7.5 | |
| Apache Pulsar | >=2.8.0<2.8.4 | |
| Apache Pulsar | >=2.9.0<2.9.3 | |
| Apache Pulsar | =2.10.0 |
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Reference Links
- https://lists.apache.org/thread/fpo6x10trvn20hlk0dmnr5vlz5v4kl3d
- https://access.redhat.com/errata/RHSA-2023:2100
- https://access.redhat.com/security/cve/cve-2022-33681
- https://bugzilla.redhat.com/show_bug.cgi?id=2136207
- https://www.cve.org/CVERecord?id=CVE-2022-33681 https://nvd.nist.gov/vuln/detail/CVE-2022-33681
Frequently Asked Questions
What is CVE-2022-33681?
CVE-2022-33681 is a vulnerability found in the Apache Pulsar Java Client that allows an attacker to perform a man-in-the-middle attack using delayed TLS hostname verification.
Which software is affected by CVE-2022-33681?
The Pulsar Java Client versions up to and including 2.10.1 are affected by CVE-2022-33681.
What is the severity of CVE-2022-33681?
CVE-2022-33681 has a severity rating of 5.9, which is considered medium.
How can I fix CVE-2022-33681?
To fix CVE-2022-33681, upgrade your Pulsar Java Client to version 2.10.2 or later.
Where can I find more information about CVE-2022-33681?
You can find more information about CVE-2022-33681 on the CVE website (https://www.cve.org/CVERecord?id=CVE-2022-33681) and the NIST National Vulnerability Database (https://nvd.nist.gov/vuln/detail/CVE-2022-33681).
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