CVE-2023-22477

Summary

Mercurius is a GraphQL adapter for Fastify. Any users of Mercurius until version 10.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to /graphql. This issue was patched in #940. As a workaround, users can disable subscriptions.

Affected Software

Weaknesses

• CWE-248: CWE-248: Uncaught Exception

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc
• https://github.com/mercurius-js/mercurius/issues/939
• https://github.com/mercurius-js/mercurius/pull/940

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc
• https://github.com/mercurius-js/mercurius/issues/939
• https://github.com/mercurius-js/mercurius/pull/940

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