CVE-2021-43801 – mercurius

Package

Manager: npm
Name: mercurius
Vulnerable Version: >=8.10.0 <8.11.2

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00367 pctl0.57866

Details

Uncaught Exception in mercurius ### Impact Any users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler. ### Patches The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2. ### Workarounds Use a custom error handler. ### References See https://github.com/mercurius-js/mercurius/issues/677 ### For more information If you have any questions or comments about this advisory: * Open an issue in https://github.com/mercurius-js/mercurius * Email us at [hello@matteocollina.com](mailto:hello@matteocollina.com)

Metadata

Created: 2021-12-13T21:33:04Z
Modified: 2021-12-13T20:20:28Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-273r-rm8g-7f3x/GHSA-273r-rm8g-7f3x.json
CWE IDs: ["CWE-754"]
Alternative ID: GHSA-273r-rm8g-7f3x
Finding: F002
Auto approve: 1