GHSA-33f9-j839-rf8h
Prototype Pollution in immer
At a glance
- Published
- Updated
- CVE
- CVE-2021-23436
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Affected packages
| Package | Versions |
|---|---|
| npm · immer | introduced 7.0.0, fixed 9.0.6 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23436 ADVISORY
- https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237 WEB
- https://github.com/immerjs/immer PACKAGE
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579266 WEB
- https://snyk.io/vuln/SNYK-JS-IMMER-1540542 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |