PT-2023-18529 · Mercurius · Mercurius

Mcollina · Published 2023-01-09 · Updated 2023-01-12 · CVE-2023-22477

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Mercurius versions prior to 11.5.0

Description Mercurius is a GraphQL adapter for Fastify. The issue allows for a denial of service attack by sending a malformed packet over WebSocket to "/graphql". This can affect any users of Mercurius.

Recommendations For versions prior to 11.5.0, update to version 11.5.0 or apply the patch from https://github.com/mercurius-js/mercurius/pull/940. As a temporary workaround, consider disabling subscriptions to minimize the risk of exploitation.

Exploit

Fix

Weakness Enumeration

CWE-248

Related Identifiers

CVE-2023-22477

GHSA-CM8H-Q92V-XCFC

Affected Products

Mercurius

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22477.json · Exploit
• 🔥 https://github.com/mercurius-js/mercurius/issues/939 · Exploit
• https://github.com/mercurius-js/mercurius/pull/940 · Patch
• https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc · Patch
• https://osv.dev/vulnerability/GHSA-cm8h-q92v-xcfc · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-22477 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-22477 · Security Note
• https://github.com/mercurius-js/mercurius · Note
• https://github.com/fastify/fastify-websocket/pull/228 · Note
• https://t.me/cibsecurity/56160 · Telegram Post