fastify/fastify-multipart · Security
Uncaught Exception in fastify-multipart
- GHSA ID
- GHSA-qh73-qc3p-rjv2
- CVE ID
- CVE-2021-23597
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Impact
This is a bypass of CVE-2020-8136 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8136).
By providing a name=constructor property it is still possible to crash the application.
The original fix only checks for the key __proto__ (https://github.com/fastify/fastify-multipart/pull/116).
All users are recommended to upgrade
Patches
v5.3.1 includes a patch
Workarounds
No workarounds are possible.
References
Read up https://www.fastify.io/docs/latest/Guides/Prototype-Poisoning/
For more information
If you have any questions or comments about this advisory:
- Open an issue in https://github.com/fastify/fastify-multipart
- Email us at [email protected]
CWEs
- CWE-400 · Uncontrolled Resource Consumption
References
- https://github.com/fastify/fastify-multipart/security/advisories/GHSA-qh73-qc3p-rjv2 ↗
- https://github.com/fastify/fastify-multipart/pull/116 ↗
- https://github.com/fastify/fastify-multipart/commit/a70dc7059a794589bd4fe066453141fc609e6066 ↗
- https://github.com/fastify/fastify-multipart/releases/tag/v5.3.1 ↗
- https://snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-2395480 ↗
- https://www.fastify.io/docs/latest/Guides/Prototype-Poisoning/ ↗
- https://nvd.nist.gov/vuln/detail/CVE-2021-23597 ↗
- https://github.com/advisories/GHSA-qh73-qc3p-rjv2 ↗