CVE-2018-16492
First published: Wed Jul 25 2018(Updated: )
Node.js extend module is vulnerable to a denial of service, caused by a prototype pollution flaw. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to inject properties onto Object.prototype to cause a denial of service condition.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Extend Project Extend | <2.0.2 | |
| Extend Project Extend | >=3.0.0<3.0.2 | |
| redhat/nodejs-extend | <2.0.2 | 2.0.2 |
| redhat/nodesj-extend | <3.0.2 | 3.0.2 |
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Reference Links
- https://hackerone.com/reports/381185
- https://snyk.io/vuln/npm:extend:20180424
- https://github.com/justmoon/node-extend/commit/0e68e71d93507fcc391e398bc84abd0666b28190
- https://github.com/justmoon/node-extend/pull/48
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1608142
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1608141
- https://medium.com/intrinsic/javascript-prototype-poisoning-vulnerabilities-in-the-wild-7bc15347c96
- https://access.redhat.com/errata/RHSA-2021:3917
- https://bugzilla.redhat.com/show_bug.cgi?id=1608140
- https://exchange.xforce.ibmcloud.com/vulnerabilities/156534
- https://www.ibm.com/support/pages/node/6214472 (Advisory)
Frequently Asked Questions
What is CVE-2018-16492?
CVE-2018-16492 is a vulnerability in the Node.js extend module that allows an attacker to perform a denial-of-service attack by injecting properties onto Object.prototype.
How severe is CVE-2018-16492?
CVE-2018-16492 has a severity rating of 9.8, which is classified as critical.
How does CVE-2018-16492 affect Node.js extend module?
CVE-2018-16492 affects Node.js extend module versions 2.0.2 up to exclusive version 3.0.2.
How can an attacker exploit CVE-2018-16492?
An attacker can exploit CVE-2018-16492 by sending a specially-crafted request to the vulnerable server.
Is there a fix for CVE-2018-16492?
Yes, the fix for CVE-2018-16492 is to update the Node.js extend module to version 3.0.2 or higher.
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