Security Advisory

CVE-2021-23436

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2021-09-01 17:30:09

Last updated 2024-09-16 16:28:32

Assigner snyk

CVSS score 5.6

State PUBLISHED

Description

This affects the package immer before 9.0.6. A type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition (p === "__proto__" || p === "constructor") in applyPatches_ returns false if p is ['__proto__'] (or ['constructor']). The === operator (strict equality operator) returns false if the operands have different type.

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