#VU79799 Inefficient regular expression complexity in word-wrap - CVE-2023-26115

Vulnerability identifier: #VU79799

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26115

CWE-ID: CWE-1333

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
word-wrap
Web applications / JS libraries

Vendor: Jon Schlinkert

Description

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

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

word-wrap: 1.0.1 - 1.2.3

---

External links
http://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-4058657
http://github.com/jonschlinkert/word-wrap/blob/master/index.js%23L39
http://security.snyk.io/vuln/SNYK-JS-WORDWRAP-3149973

---

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.