Remote code execution in thenify package for npm



Published: 2020-06-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-7677
CWE-ID CWE-78
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		thenify
Web applications / Modules and components for CMS

Vendor Thenables

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU29230

Risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-7677

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 improper input validation in the "name" argument in "eval" function. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

thenify: 2.0.0 - 3.3.0

CPE2.3 External links

http://snyk.io/vuln/SNYK-JS-THENIFY-571690
http://github.com/thenables/thenify/commit/0d94a24eb933bc835d568f3009f4d269c4c4c17a
http://github.com/thenables/thenify/blob/master/index.js#L17


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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