Command Injection in buns package for npm



Published: 2021-02-22
Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2020-7794
CWE-ID CWE-77
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Web applications / Modules and components for CMS

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Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU50832

Risk: High

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2020-7794

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in lib/index.js in the exported function install(requestedModule). A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

Mitigation

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

Vulnerable software versions

buns: 1.0.0 - 1.1.6

External links

http://snyk.io/vuln/SNYK-JS-BUNS-1050389


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.



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