#VU100921 Incorrect Regular Expression in node-cross-spawn - CVE-2024-21538

Vulnerability identifier: #VU100921

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-2024-21538

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-cross-spawn
Web applications / JS libraries

Vendor: MOXY

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 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

node-cross-spawn: 0.1.0 - 7.0.4

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External links
https://security.snyk.io/vuln/SNYK-JS-CROSSSPAWN-8303230
https://github.com/moxystudio/node-cross-spawn/pull/160
https://github.com/moxystudio/node-cross-spawn/commit/640d391fde65388548601d95abedccc12943374f
https://github.com/moxystudio/node-cross-spawn/commit/5ff3a07d9add449021d806e45c4168203aa833ff
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-8366349

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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.