Spring Framework server Web Observations DoS Vulnerability

CVE-2023-34053

What is CVE-2023-34053?

In versions 6.0.0 to 6.0.13 of the Spring Framework, a vulnerability exists that can allow attackers to craft specific HTTP requests, resulting in a denial-of-service (DoS) condition. This issue is present when an application utilizes Spring MVC or Spring WebFlux, includes the io.micrometer:micrometer-core in the classpath, and has an ObservationRegistry configured to record observations. Typically, applications built with Spring Boot require the org.springframework.boot:spring-boot-actuator dependency to satisfy these conditions, thus increasing the risk of service disruption.

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