#VU49119 Prototype pollution in json-bigint - CVE-2020-8237

Vulnerability identifier: #VU49119

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8237

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
json-bigint
Web applications / Modules and components for CMS

Vendor: sidorares

Description

The disclosed vulnerability allows a remote attacker to perform a DoS attack.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject arbitrary code and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

json-bigint: 0.0.2 - 0.4.0

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External links
https://hackerone.com/reports/916430

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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.