Prototype Pollution in systeminformation - CVE-2020-7778
Published: November 26, 2020 / Updated: December 1, 2020
Vulnerability identifier: #VU48733
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2020-7778
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper input validation. A remote attacker can overwrite the properties and functions of an object, which can lead to executing OS commands.
Affected software
systeminformation
How to mitigate CVE-2020-7778
Install updates from vendor's website.
systeminformation - update to 4.30.2
External References
- https://gist.github.com/EffectRenan/b434438938eed0b21b376cedf5c81e80
- https://github.com/sebhildebrandt/systeminformation/blob/master/lib/internet.js
- https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
- https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
- https://snyk.io/vuln/SNYK-JS-SYSTEMINFORMATION-1043753