This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.
{
"cwe_ids": [
"CWE-1321"
],
"nvd_published_at": "2021-01-19T11:15:00Z",
"github_reviewed_at": "2021-04-06T20:37:10Z",
"severity": "HIGH",
"github_reviewed": true
}