Advisory Weakness Curation

Uncaught Exception in fastify-multipart ### 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 https://github.com/fastify/fastify-multipart * Email us at [hello@matteocollina.com](mailto:hello@matteocollina.com)

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible to crash the application. **Note:** This is a bypass of CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382)

Uncaught Exception in fastify-multipart This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible to crash the application. **Note:** This is a bypass of CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382)