CVE-2024-50312: OpenShift Container Platform Disclosure Flaw

CVE-2024-50312 Overview

A vulnerability was discovered in Red Hat OpenShift Container Platform affecting the GraphQL implementation within the OpenShift console. The flaw stems from improper access controls on the GraphQL introspection query, allowing unauthorized users to retrieve a comprehensive list of available queries and mutations. This information exposure vulnerability significantly increases the attack surface by enabling attackers to map out the GraphQL API schema without authentication, potentially facilitating the discovery of application-specific flaws or implementation errors.

Critical Impact

Unauthorized access to GraphQL introspection queries enables attackers to enumerate the complete API schema, revealing all available queries, mutations, types, and fields. This reconnaissance capability can accelerate targeted attacks against the OpenShift console.

Affected Products

• Red Hat OpenShift Container Platform 4.0
• OpenShift Console component with exposed GraphQL endpoint
• Deployments with GraphQL introspection enabled in production environments

Discovery Timeline

• 2024-10-22 - CVE-2024-50312 published to NVD
• 2025-01-15 - Last updated in NVD database

Technical Details for CVE-2024-50312

Vulnerability Analysis

This vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). The core issue lies in the GraphQL endpoint's failure to properly validate user authentication and authorization before responding to introspection queries. GraphQL introspection is a powerful feature that allows clients to query the schema itself, returning detailed information about available types, queries, mutations, and subscriptions.

In production environments, exposing introspection to unauthenticated users violates security best practices. Attackers can leverage this information disclosure to understand the complete API structure, identify potentially vulnerable endpoints, and craft targeted attacks against specific mutations or queries that handle sensitive operations.

The network-based attack vector requires no privileges or user interaction, making it trivially exploitable by any attacker with network access to the OpenShift console. While the immediate impact is limited to confidentiality (information disclosure), the strategic value of the exposed schema information can significantly amplify subsequent attacks.

Root Cause

The root cause is the absence of proper access control enforcement on the GraphQL introspection endpoint within the OpenShift console. The introspection query mechanism (__schema, __type) responds to all requests regardless of authentication status, failing to implement the principle of least privilege. This misconfiguration allows any user who can reach the GraphQL endpoint to execute introspection queries and retrieve the complete API schema definition.

Attack Vector

The attack is network-based and requires no authentication or user interaction. An attacker can simply send a standard GraphQL introspection query to the exposed endpoint. The introspection response reveals the entire schema structure, including query names, mutation names, input types, return types, and field descriptions. This information enables attackers to:

1. Map the complete API attack surface
2. Identify potentially sensitive operations (e.g., mutations that modify configurations)
3. Discover undocumented or internal-only endpoints
4. Craft precise attack payloads based on exact type definitions

A typical introspection query would request the __schema field, which returns detailed information about all types, queries, and mutations available in the GraphQL implementation. See the GitHub OpenShift Pull Request Files for technical details on the fix implementation.

Detection Methods for CVE-2024-50312

Indicators of Compromise

• Unusual or repeated GraphQL introspection queries (__schema, __type) in application logs
• Requests to the GraphQL endpoint from unauthenticated sources
• High volume of schema enumeration requests from single IP addresses
• Presence of automated GraphQL scanning tool signatures in request patterns

Detection Strategies

• Monitor GraphQL endpoint logs for introspection queries containing __schema or __type fields
• Implement alerting on introspection queries from IP addresses outside trusted ranges
• Deploy web application firewalls (WAF) with rules to detect and log GraphQL introspection patterns
• Use network traffic analysis to identify reconnaissance activity targeting GraphQL endpoints

Monitoring Recommendations

• Enable detailed logging on the OpenShift console GraphQL endpoint to capture all query types
• Configure SIEM rules to correlate introspection query attempts with subsequent targeted API calls
• Establish baseline metrics for normal GraphQL query patterns to detect anomalous enumeration activity
• Monitor for known GraphQL scanning tools (e.g., GraphQL Voyager, InQL) in user-agent strings

How to Mitigate CVE-2024-50312

Immediate Actions Required

• Apply the latest security patches from Red Hat addressing CVE-2024-50312
• Disable GraphQL introspection in production environments if not required for legitimate use cases
• Implement network segmentation to restrict access to the OpenShift console GraphQL endpoint
• Review access logs for evidence of prior exploitation or reconnaissance activity

Patch Information

Red Hat has released security advisories addressing this vulnerability. Administrators should apply the patches referenced in RHSA-2025:0115 and RHSA-2025:0140. The fix implements proper access controls on GraphQL introspection queries, ensuring that only authenticated and authorized users can retrieve schema information. For detailed technical changes, review the GitHub OpenShift Console Pull Request #14409.

Additional information is available from the Red Hat CVE Analysis and Red Hat Bug Report #2319378.

Workarounds

• Disable GraphQL introspection at the application level for production deployments
• Implement authentication requirements for all GraphQL endpoint access using network policies
• Deploy a reverse proxy or API gateway to filter introspection queries from unauthenticated users
• Use Kubernetes NetworkPolicy resources to restrict ingress to the OpenShift console from trusted sources only

# Example: Disable introspection or restrict access via NetworkPolicy
# Apply a NetworkPolicy to limit access to the console namespace
kubectl apply -f - <<EOF
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: restrict-console-access
  namespace: openshift-console
spec:
  podSelector:
    matchLabels:
      app: console
  policyTypes:
  - Ingress
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          network-policy: allow-console-access
EOF