Vulnerability · Published Nov 28, 2023 · Assigned by vmware
CVE-2023-34054Reactor Netty HTTP Server Metrics DoS Vulnerability
Medium 5.3
In plain English
A medium-severity security flaw in Reactor Netty from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | io.projectreactor.netty:reactor-netty-core | 1.1.13 | GHSA-q24v-hpg3-v3jp |
| Maven | io.projectreactor.netty:reactor-netty-core | 1.0.39 | GHSA-q24v-hpg3-v3jp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Reactor Netty | 1.1.0 – before 1.1.131.0.0 – before 1.0.39older unsupported versions |