#VU92406 Incorrect Regular Expression in Braces


Published: 2024-06-20

Vulnerability identifier: #VU92406

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:T/RC:C]

CVE-ID: CVE-2024-4067

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Braces
Other software / Other software solutions

Vendor: micromatch

Description

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

The vulnerability occurs in `micromatch.braces()` in `index.js` because the pattern `.*` will greedily match anything. 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

Braces: 0.1.4 - 3.0.3


External links
http://github.com/micromatch/micromatch/blob/2c56a8604b68c1099e7bc0f807ce0865a339747a/index.js#L448
http://github.com/micromatch/micromatch/issues/243
http://github.com/micromatch/micromatch/pull/247
http://devhub.checkmarx.com/cve-details/CVE-2024-4067/


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.


Latest bulletins with this vulnerability