CVE-2023-34054: Reactor Netty HTTP Server Metrics DoS Vulnerability
First published: Tue Nov 28 2023(Updated: )
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.
Credit: security@vmware.com security@vmware.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Pivotal Reactor Netty | <1.0.39 | |
| Pivotal Reactor Netty | >=1.1.0<1.1.13 | |
| IBM Security Guardium | <=11.3 | |
| IBM Security Guardium | <=11.4 | |
| IBM Security Guardium | <=11.5 | |
| IBM Security Guardium | <=12.0 | |
| maven/io.projectreactor.netty:reactor-netty-core | >=1.0.0<1.0.39 | 1.0.39 |
| maven/io.projectreactor.netty:reactor-netty-core | >=1.1.0<1.1.13 | 1.1.13 |
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Reference Links
- https://spring.io/security/cve-2023-34054
- https://nvd.nist.gov/vuln/detail/CVE-2023-34054
- https://github.com/reactor/reactor-netty/releases/tag/v1.0.39
- https://github.com/reactor/reactor-netty/releases/tag/v1.1.13
- https://github.com/advisories/GHSA-q24v-hpg3-v3jp (Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/272536
- https://www.ibm.com/support/pages/node/7150840 (Advisory)
- https://github.com/reactor/reactor-netty/commit/37dc8a2ef6514cd7834e75e7f3faf0b9ea044c88
- https://github.com/reactor/reactor-netty/commit/4ddbb1b9b985bb72290110ebae468a54e7f19420
- https://github.com/reactor/reactor-netty/commit/ae82154e99e6f51f4816effd135f0c3a966d6ea3
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-34054.
What is the title of this vulnerability?
The title of this vulnerability is Reactor Netty HTTP Server Metrics DoS Vulnerability.
What is the severity of CVE-2023-34054?
The severity of CVE-2023-34054 is medium, with a severity value of 5.3.
How does CVE-2023-34054 affect versions of Reactor Netty HTTP Server?
CVE-2023-34054 affects versions 1.0.x prior to 1.0.39 and versions 1.1.x prior to 1.1.13 of Reactor Netty HTTP Server.
How can I fix CVE-2023-34054?
To fix CVE-2023-34054, update Reactor Netty HTTP Server to version 1.0.39 or higher if using version 1.0.x, or update to version 1.1.13 or higher if using version 1.1.x.
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