CVE-2016-4055 Regular Expression Denial of Service in moment
Remote attackers can cause denial of service via CPU consumption in the moment library using a long string input.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4055?
CVE-2016-4055 is a medium-severity denial of service vulnerability in Oracle Primavera Unifier, published on 23 Jan 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of service (CPU consumption) via a long string, aka a "regular expression Denial of Service (ReDoS)."
Weakness: CWE-400
Which versions are affected by CVE-2016-4055?
2 open source packages ship an affected version, including moment. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
moment npm | All versions | 2.11.2 |
moment npm | All versions | 2.11.2 |
Products include Momentjs Moment, Oracle Primavera Unifier, Tenable Nessus.
How do I fix CVE-2016-4055?
Upgrade moment to 2.11.2 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-2016-4055 being exploited?
There is no known exploitation of CVE-2016-4055 in the wild and no public exploit code.
Other vulnerabilities in Oracle Primavera Unifier
Sources
Also known as DEBIAN-CVE-2016-4055, GHSA-87vv-r9j6-g5qv, ROOT-APP-NPM-CVE-2016-4055, UBUNTU-CVE-2016-4055.