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CVE-2023-34054: Reactor Netty HTTP Server denial of service vulnerability

November 28, 2023 (updated June 28, 2024)

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.

References

  • github.com/advisories/GHSA-q24v-hpg3-v3jp
  • github.com/reactor/reactor-netty
  • github.com/reactor/reactor-netty/commit/37dc8a2ef6514cd7834e75e7f3faf0b9ea044c88
  • github.com/reactor/reactor-netty/commit/4ddbb1b9b985bb72290110ebae468a54e7f19420
  • github.com/reactor/reactor-netty/commit/ae82154e99e6f51f4816effd135f0c3a966d6ea3
  • github.com/reactor/reactor-netty/releases/tag/v1.0.39
  • github.com/reactor/reactor-netty/releases/tag/v1.1.13
  • nvd.nist.gov/vuln/detail/CVE-2023-34054
  • spring.io/security/cve-2023-34054

Code Behaviors & Features

Detect and mitigate CVE-2023-34054 with GitLab Dependency Scanning

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Affected versions

All versions starting from 1.0.0 before 1.0.39, all versions starting from 1.1.0 before 1.1.13

Fixed versions

  • 1.1.13
  • 1.0.39

Solution

Upgrade to versions 1.0.39, 1.1.13 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Source file

maven/io.projectreactor.netty/reactor-netty-core/CVE-2023-34054.yml

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