Description In Spring Cloud Function framework, versions 4.1.x prior to 4.1.2, 4.0.x prior to 4.0.8 an application is vulnerable to a DOS attack when attempting to compose functions with non-existing functions.

Specifically, an application is vulnerable when all of the following are true:

User is using Spring Cloud Function Web module

Affected Spring Products and Versions Spring Cloud Function Framework 4.1.0 to 4.1.2 4.0.0 to 4.0.8

References https://spring.io/security/cve-2022-22979 https://checkmarx.com/blog/spring-function-cloud-dos-cve-2022-22979-and-unintended-function-invocation/ History 2020-01-16: Initial vulnerability report published.

Users of affected versions should apply the following mitigation. 4.1.x users should upgrade to 4.1.2. 4.0.x users should upgrade to 4.0.8. No other steps are necessary.

This issue was identified and responsibly reported by devme4f from VNPT-VCI