Description

Spring Security OAuth versions 2.5.x prior to 2.5.2 and older unsupported versions are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client application. A malicious user or attacker can send multiple requests initiating the Authorization Request for the Authorization Code Grant, which has the potential of exhausting system resources using a single session. This vulnerability exposes OAuth 2.0 Client applications only.

Affected Spring Products and Versions

• Spring Security OAuth
  • 2.5.x prior to 2.5.2
  • Older, unsupported versions

Mitigation

Users of affected versions should upgrade to the following versions:

• Spring Security OAuth
  • 2.5.2+

Credit

This issue was identified and responsibly reported by Macchinetta/TERASOLUNA Framework Development Team.

References

• https://spring.io/blog/2022/04/21/cve-report-published-for-spring-security-oauth

History

• 2022-04-21: Initial vulnerability report published.