Spring Security Advisories

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Insecure Randomness When Using a SecureRandom Instance Constructed by Spring Security

LOW | APRIL 04, 2019 | CVE-2019-3795

Description

Spring Security versions 4.2.x prior to 4.2.12, 5.0.x prior to 5.0.12, and 5.1.x prior to 5.1.5 contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. In order to be impacted, an honest application must provide a seed and make the resulting random material available to an attacker for inspection.

Affected Spring Products and Versions

Spring Security:

  • 5.1.0 - 5.1.4
  • 5.0.0 - 5.0.11
  • 4.2.0 - 4.2.11

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
5.1.5OSS
5.0.12OSS
4.2.12OSS

No further mitigation steps are necessary.

Credit

This issue was identified and responsibly reported by Thijs Alkemade.

History

  • 2019-04-04: 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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