| Package | Affected versions | Patched versions |
|---|---|---|
| org.springframework.security:spring-security-core | ≥ 5.2.0, < 5.2.4≥ 5.3.0, < 5.3.2 | 5.2.45.3.2 |
| spring security | ≥ 5.2.0, < 5.2.4≥ 5.3.0, < 5.3.2 | 5.2.45.3.2 |
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. 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.
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