Full Report
Spring security advisory (AV26-842)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in Spring Framework Ecosystem
## CVE Details
- **CVE ID:** Not explicitly specified in the provided summary bulletin (refer to individual Spring Security Advisories for specific IDs).
- **CVSS Score:** Variable (Typically ranges from Medium to Critical for these product suites).
- **CWE:** Often includes CWE-502 (Deserialization), CWE-22 (Path Traversal), or CWE-94 (Code Injection) based on historical Spring advisories.
## Affected Systems
- **Products:**
- Spring AI
- Spring Security
- Spring Cloud Config
- Spring Data REST
- Spring Cloud Gateway
- Spring Cloud Commons
- Spring for GraphQL
- Spring Integration
- Spring Authorization Server
- **Versions:**
- **Spring AI:** ≤ 2.0.0, ≤ 1.0.9, ≤ 1.1.8
- **Spring Authorization Server:** ≤ 1.5.8, ≤ 1.4.11
- **Other Products:** Multiple versions (Contact vendor for specific version parity).
- **Configurations:** Systems utilizing default configurations or exposing management endpoints (e.g., Actuator) are often at higher risk.
## Vulnerability Description
While the advisory (AV26-842) acts as a high-level notification, these vulnerabilities typically involve flaws in how Spring components handle data binding, authentication tokens, or external configurations. In the context of **Spring AI**, vulnerabilities often relate to prompt injection or insecure handling of model outputs. For **Spring Security** and **Authorization Server**, flaws usually involve bypasses in authorization logic or session management.
## Exploitation
- **Status:** Vulnerabilities are disclosed; exploit status depends on the specific CVE. No specific "in-the-wild" report was cited in this summary.
- **Complexity:** Generally Low to Medium.
- **Attack Vector:** Network (Remote).
## Impact
- **Confidentiality:** High (Potential data exposure/unauthorized access).
- **Integrity:** High (Potential for unauthorized modification of data or configurations).
- **Availability:** Medium to High (Potential for Denial of Service in specific components).
## Remediation
### Patches
Users are advised to upgrade to the following versions (or newer):
- **Spring AI:** Refer to the latest releases post-2.0.0, 1.0.9, and 1.1.8.
- **Spring Authorization Server:** Update to versions > 1.5.8 or > 1.4.11.
- **General:** Check the [Spring Security Advisories page](https://spring[.]io/security/) for specific version bumps across all listed libraries.
### Workarounds
- Disable unused endpoints (e.g., Spring Boot Actuator endpoints).
- Implement strict input validation and egress filtering.
- Ensure the Principle of Least Privilege is applied to the service accounts running Spring applications.
## Detection
- **Indicators of Compromise:** Unusual spikes in traffic to management endpoints, unexpected log entries in Spring Security filters, or unauthorized configuration changes in Spring Cloud Config.
- **Detection methods and tools:** Use SCA (Software Composition Analysis) tools to identify vulnerable JAR files in your build pipeline.
## References
- Vendor advisories: hxxps://spring[.]io/security/
- Government of Canada Security Bulletin: hxxps://www.cyber.gc[.]ca/en/alerts-advisories/spring-security-advisory-av26-842