#VU99859 Inefficient regular expression complexity in formula - CVE-2023-25166

Vulnerability identifier: #VU99859

Vulnerability risk: Low

CVSSv4.0: 4.9 [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:U/U:Clear]

CVE-ID: CVE-2023-25166

CWE-ID: CWE-1333

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
formula
Other software / Other software solutions

Vendor: hapijs

Description

The vulnerability allows a remote user 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 user 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

formula: 1.0.0 - 3.0.0

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External links
https://github.com/hapijs/formula/security/advisories/GHSA-c2jc-4fpr-4vhg
https://github.com/hapijs/formula/commit/9fbc20a02d75ae809c37a610a57802cd1b41b3fe

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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.