Prototype Pollution in systeminformation package for npm



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-26245
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 systeminformation
Web applications / Modules and components for CMS

Vendor Sebastian Hildebrandt

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Prototype Pollution

EUVDB-ID: #VU48734

Risk: Medium

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

CVE-ID: CVE-2020-26245

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper input validation in service parameter strings that are passed to si.inetChecksite(). A remote attacker can overwrite the properties and functions of an object, which can lead to executing arbitraty commands.

Mitigation

Install update from vendor's website.

Vulnerable software versions

systeminformation: 4.12.1 - 4.30.4

CPE2.3 External links

https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg


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.



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