#VU26637 Command Injection in fsa - CVE-2020-7615

Vulnerability identifier: #VU26637

Vulnerability risk: High

CVSSv4.0: 8.9 [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:P/U:Amber]

CVE-ID: CVE-2020-7615

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
fsa
Other software / Other software solutions

Vendor: Fedor Golubev

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation in the first argument of "execGitCommand()L function in "lib/rep.js#63". A remote attacker can execute arbitrary commands on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

fsa: 0.1.0 - 0.5.1

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External links
https://snyk.io/vuln/SNYK-JS-FSA-564118
https://github.com/gregof/fsa/blob/master/lib/rep.js#L12

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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. However, proof of concept for this vulnerability is available.