#VU85293 Inefficient regular expression complexity in word-wrap - CVE-2023-26155

Vulnerability identifier: #VU85293

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-26155

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 updates from vendor's website.

Vulnerable software versions

word-wrap: 1.0.1 - 1.2.3

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External links
http://github.com/nrhirani/node-qpdf/issues/23
http://security.snyk.io/vuln/SNYK-JS-NODEQPDF-5747918

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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.