Reactor Netty HTTP Server DoS via crafted HTTP requests (before 1.1.13, 1.0.39)
CVE-2023-34054 Published on November 28, 2023
Reactor Netty HTTP Server Metrics DoS Vulnerability
In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition.
Specifically, an application is vulnerable if Reactor Netty HTTP Server built-in integration with Micrometer is enabled.
Vulnerability Analysis
CVE-2023-34054 is exploitable 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 no impact on confidentiality and integrity, and a small impact on availability.
Products Associated with CVE-2023-34054
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Affected Versions
Spring Reactor Netty:- Version 1.1.0 and below 1.1.13 is affected.
- Version 1.0.0 and below 1.0.39 is affected.
- Version older unsupported versions is affected.
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.