Spring Framework CVE-2023-34053: DoS via ObservationRegistry (6.0.0-6.0.13)
CVE-2023-34053 Published on November 28, 2023
Spring Framework server Web Observations DoS Vulnerability
In Spring Framework versions 6.0.0 - 6.0.13, 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 when all of the following are true:
* the application uses Spring MVC or Spring WebFlux
* io.micrometer:micrometer-core is on the classpath
* an ObservationRegistry is configured in the application to record observations
Typically, Spring Boot applications need the org.springframework.boot:spring-boot-actuator dependency to meet all conditions.
Vulnerability Analysis
CVE-2023-34053 can be exploited 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-2023-34053
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Affected Versions
Spring Framework:- Version 6.0.0 and below 6.0.14 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.