Regular expression denial of service in Moment component for Node.js

1) Resource management error

EUVDB-ID: #VU21762

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2016-4055

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.

The vulnerability exists due to an error in the "moment.duration()" function. A remote attacker can send a specially crafted input and cause regular expression denial of service via a long string.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moment: 0.3.0 - 2.11.2

CPE2.3

• cpe:2.3:a:moment_project:moment:0.3.0:*:*:*:*:nodejs:*:*
• cpe:2.3:a:moment_project:moment:0.3.1:*:*:*:*:nodejs:*:*
• cpe:2.3:a:moment_project:moment:0.3.2:*:*:*:*:nodejs:*:*

External links

https://nodesecurity.io/advisories/55
https://www.npmjs.com/advisories/55

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.