Spring Security Advisories

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Spring Cloud Netflix Hystrix Dashboard template resolution vulnerability

HIGH | NOVEMBER 17, 2021 | CVE-2021-22053

Description

Applications using both spring-cloud-netflix-hystrix-dashboard and spring-boot-starter-thymeleaf expose a way to execute code submitted within the request URI path during the resolution of view templates. When a request is made at /hystrix/monitor;[user-provided data], the path elements following hystrix/monitor are being evaluated as SpringEL expressions, which can lead to code execution.

Affected Spring Products and Versions

Spring Cloud Netflix:

  • 2.2.9.RELEASE and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
2.2.10.RELEASEOSS

No further mitigation steps are necessary.

Credit

This vulnerability was identified and responsibly reported by threedr3am of SecCoder Security Lab ([email protected]).

References

History

  • 2021-11-17: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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