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CVE-2023-22477

Good to know:

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Date: January 9, 2023

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. The patch was released as v11.5.0 and v8.13.2.

Language: JS

Severity Score

Related Resources (7)

https://github.com/fastify/fastify-websocket/pull/228
https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc
https://github.com/mercurius-js/mercurius
https://nvd.nist.gov/vuln/detail/CVE-2023-22477
https://github.com/mercurius-js/mercurius/pull/940
https://github.com/mercurius-js/mercurius/issues/939
https://www.mend.io/vulnerability-database/CVE-2023-22477

Severity Score

Weakness Type (CWE)

Uncaught Exception

CWE-248

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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