#VU77603 Permissions, Privileges, and Access Controls in Node.js - CVE-2023-30586

Vulnerability identifier: #VU77603

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-30586

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Node.js
Server applications / Web servers

Vendor: Node.js Foundation

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to application allows loading arbitrary OpenSSL engines when the experimental permission model is enabled. A remote user can use the crypto.setEngine() API to bypass the permission model when called with a compatible OpenSSL engine and disable the permission model in the host process by manipulating the process's stack memory to locate the permission model Permission::enabled_ in the host process's heap memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Node.js: 20.0.0, 20.1.0, 20.2.0, 20.3.0

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External links
https://nodejs.org/en/blog/vulnerability/june-2023-security-releases

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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.