CVE-2017-18214 Regular Expression Denial of Service in moment
Attackers can cause denial of service in applications using the moment library by submitting crafted date strings that trigger excessive CPU usage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-18214?
CVE-2017-18214 is a high-severity denial of service vulnerability in Tenable Nessus, published on 4 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The moment module before 2.19.3 for Node.js is prone to a regular expression denial of service via a crafted date string, a different vulnerability than CVE-2016-4055.
Weakness: CWE-400
Which versions are affected by CVE-2017-18214?
2 open source packages ship an affected version, including moment. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
moment npm | All versions | 2.19.3 |
moment npm | All versions | 2.19.3 |
Products include Momentjs Moment, Tenable Nessus.
How do I fix CVE-2017-18214?
Upgrade moment to 2.19.3 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-18214 being exploited?
There is no known exploitation of CVE-2017-18214 in the wild and no public exploit code.
Other vulnerabilities in Tenable Nessus
Sources
Also known as AZL-32178, AZL-41019, DEBIAN-CVE-2017-18214, GHSA-446m-mv8f-q348, ROOT-APP-NPM-CVE-2017-18214, UBUNTU-CVE-2017-18214.