Denial of service in path-parse JavaScript library

1) Incorrect Regular Expression

EUVDB-ID: #VU55315

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23343

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in splitDeviceRe, splitTailRe, and splitPathRe regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

path-parse: 1.0.0 - 1.0.6

External links

http://github.com/jbgutierrez/path-parse/issues/8
http://snyk.io/vuln/SNYK-JS-PATHPARSE-1077067
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279028
http://lists.apache.org/thread.html/r6a32cb3eda3b19096ad48ef1e7aa8f26e005f2f63765abb69ce08b85@%3Cdev.myfaces.apache.org%3E
http://github.com/advisories/GHSA-hj48-42vr-x3v9
http://www.npmjs.com/advisories/1773

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.