Spring Security versions 5.2.x prior to 5.2.4 Improper Verification of Cryptographic Signature Vulnerability

Summary

Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. 

Credit:

The information has been provided by Sam Tinklenberg

The original article can be found at:https://tanzu.vmware.com/security/cve-2020-5407


Details

When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.

 

Vulnerable Systems:

Spring Security versions 5.2.x prior to 5.2.4

Spring Security versions 5.3.x prior to 5.3.2

 

CVE Information:

CVE-2020-5407

 

Disclosure Timeline:
Published Date:5/13/2020

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