| Package | Affected versions | Patched versions |
|---|---|---|
| org.springframework.security:spring-security-core | ≥ 5.2.0, < 5.2.11≥ 5.3.0, < 5.3.10≥ 5.4.0, < 5.4.7≥ 5.5.0, < 5.5.1 | 5.2.115.3.105.4.75.5.1 |
| org.springframework.security:spring-security-oauth2-client | ≥ 5.2.0, < 5.2.11≥ 5.3.0, < 5.3.10≥ 5.4.0, < 5.4.7≥ 5.5.0, < 5.5.1 | 5.2.115.3.105.4.75.5.1 |
| communications cloud native core policy | = 1.14.0 | |
| spring security | ≥ 5.2.0, < 5.2.11≥ 5.3.0, < 5.3.10≥ 5.4.0, < 5.4.7≥ 5.5.0, < 5.5.1 | 5.2.115.3.105.4.75.5.1 |
Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux 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 or multiple sessions.
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