#VU64030 Resource exhaustion in minimist - CVE-2021-44906


Vulnerability identifier: #VU64030

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-44906

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
minimist
Web applications / Modules and components for CMS

Vendor: Gived.Org

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trick the library into adding or modifying the properties of Object.prototype, using a constructor or __proto__ payload, resulting in prototype pollution and loss of confidentiality, availability, and integrity.

Mitigation
Install update from vendor's website.

Vulnerable software versions

minimist: 0.0.6 - 1.2.5


External links
http://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip
http://snyk.io/vuln/SNYK-JS-MINIMIST-559764
http://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068
http://github.com/substack/minimist/issues/164
http://github.com/substack/minimist/blob/master/index.js#L69


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