Vert.x STOMP Auth Bypass before 3.9.16/4.4.2 - CONNECT Frame not validated
CVE-2023-32081 Published on May 12, 2023
Vert.x STOMP server process client frames that would not send initially a connect frame
Vert.x STOMP is a vert.x implementation of the STOMP specification that provides a STOMP server and client. From versions 3.1.0 until 3.9.16 and 4.0.0 until 4.4.2, a Vert.x STOMP server processes client STOMP frames without checking that the client send an initial CONNECT frame replied with a successful CONNECTED frame. The client can subscribe to a destination or publish message without prior authentication. Any Vert.x STOMP server configured with an authentication handler is impacted. The issue is patched in Vert.x 3.9.16 and 4.4.2. There are no trivial workarounds.
Vulnerability Analysis
CVE-2023-32081 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2023-32081 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2023-32081
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Affected Versions
vert-x3 vertx-stomp:- Version >= 3.1.0, < 3.9.16 is affected.
- Version >= 4.0.0, < 4.4.2 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2023-32081
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| maven | io.vertx:vertx-stomp | >= 3.1.0, < 3.9.16 | 3.9.16 |
| maven | io.vertx:vertx-stomp | >= 4.0.0, < 4.4.2 | 4.4.2 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.