CVE-2023-34053

2023-11-2813:28:10

redhat.com

access.redhat.com

spring framework

http requests

denial-of-service

spring mvc

spring webflux

micrometer-core

observationregistry

spring boot

spring-boot-actuator

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

16.4%

JSON

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.

Mitigation

As a temporary workaround, Spring Boot 3.0.x and 3.1.x users can choose to disable web framework observations with the following property: management.metrics.enable.http.server.requests=false