Vulnerability · Published Jan 9, 2023 · Assigned by GitHub_M
CVE-2023-22477Mercurius is vulnerable to denial of service (DoS) when using subscriptions
Medium 5.3
In plain English
A medium-severity security flaw in mercurius from mercurius-js. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.1%top 34.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | mercurius | 11.5.0 | GHSA-cm8h-q92v-xcfc |
| npm | mercurius | 8.13.2 | GHSA-cm8h-q92v-xcfc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mercurius-js | mercurius | < 10.5.0 |
Weakness: CWE-248 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc x_refsource_CONFIRM
- https://github.com/mercurius-js/mercurius/issues/939 x_refsource_MISC
- https://github.com/mercurius-js/mercurius/pull/940 x_refsource_MISC