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  5. CVE-2020-5407

CVE-2020-5407: Improper Verification of Cryptographic Signature

May 13, 2020 (updated June 14, 2021)

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.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-5407
  • tanzu.vmware.com/security/cve-2020-5407

Code Behaviors & Features

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Affected versions

All versions starting from 5.2.0 before 5.2.4, all versions starting from 5.3.0 before 5.3.2

Fixed versions

  • 5.2.4.RELEASE
  • 5.3.2.RELEASE

Solution

Upgrade to versions 5.2.4.RELEASE, 5.3.2.RELEASE or above.

Impact 8.8 HIGH

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

Learn more about CVSS

Weakness

  • CWE-347: Improper Verification of Cryptographic Signature

Source file

maven/org.springframework.security/spring-security-saml2-service-provider/CVE-2020-5407.yml

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