Description
In Node.js mixme, prior to v0.5.1, an attacker can add or alter properties of an object via '__proto__' through the mutate() and merge() functions. The polluted attribute will be directly assigned to every object in the program. This will put the availability of the program at risk causing a potential denial of service (DoS).
Remediation
References
http://nodejs.com
https://github.com/adaltas/node-mixme/commit/cfd5fbfc32368bcf7e06d1c5985ea60e34cd4028
https://github.com/adaltas/node-mixme/issues/1
https://github.com/adaltas/node-mixme/security/advisories/GHSA-79jw-6wg7-r9g4
https://security.netapp.com/advisory/ntap-20210618-0005/
https://www.npmjs.com/~david
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