Skip to content

Uncaught Exception in mercurius

High severity GitHub Reviewed Published Dec 13, 2021 in mercurius-js/mercurius • Updated Feb 1, 2023

Package

npm mercurius (npm)

Affected versions

>= 8.10.0, < 8.11.2

Patched versions

8.11.2

Description

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 mercurius-js/mercurius#678 and shipped as v8.11.2.

Workarounds

Use a custom error handler.

References

See mercurius-js/mercurius#677

For more information

If you have any questions or comments about this advisory:

References

@mcollina mcollina published to mercurius-js/mercurius Dec 13, 2021
Published by the National Vulnerability Database Dec 13, 2021
Reviewed Dec 13, 2021
Published to the GitHub Advisory Database Dec 13, 2021
Last updated Feb 1, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2021-43801

GHSA ID

GHSA-273r-rm8g-7f3x

Source code

Checking history
See something to contribute? Suggest improvements for this vulnerability.