Command Injection in codecov npm package

1) OS Command Injection

EUVDB-ID: #VU25536

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-7597

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to the value provided as part of the "gcov-root" argument is executed by the "exec" function within "lib/codecov.js". A remote authenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability exists due to an incomplete fix of CVE-2020-7596 (SB2020012919).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

codecov: 1.0.1 - 3.6.4

External links

http://github.com/codecov/codecov-node/commit/02cf13d8b93ac547b5b4c2cfe186b7d874fd234f
http://snyk.io/vuln/SNYK-JS-CODECOV-548879

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.