Spring Security Advisories

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Spring Security Authorization Bypass for Case Sensitive Comparisons

MEDIUM | NOVEMBER 19, 2024 | CVE-2024-38827

Description

The usage of String.toLowerCase() and String.toUpperCase() has some Locale dependent exceptions that could potentially result in authorization rules not working properly.

Related to CVE-2024-38820

Affected Spring Products and Versions

Spring Security:

  • 6.3.0 - 6.3.4
  • 6.2.0 - 6.2.7
  • 6.1.0 - 6.1.11
  • 6.0.0 - 6.0.13
  • 5.8.0 - 5.8.15
  • 5.7.13 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
6.3.5OSS
6.2.8OSS
6.1.12Enterprise Support Only
6.0.14Enterprise Support Only
5.8.16Enterprise Support Only
5.7.14Enterprise Support Only

No further mitigation steps are necessary.

References

History

  • 2024-11-19: 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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