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Remote code execution in thenify package for npm



Published: 2020-06-24
Severity 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
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thenify
Web applications / Modules and components for CMS

Vendor Thenables

Security Advisory

This security advisory describes one high risk vulnerability.

1) OS Command Injection

Severity: High

CVSSv3: 8.8 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-7677

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

Exploit availability: Yes [Search exploit]

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, 3.0.0, 3.1.0, 3.1.1, 3.2.0, 3.2.1, 3.3.0

CPE External links

https://snyk.io/vuln/SNYK-JS-THENIFY-571690
https://github.com/thenables/thenify/commit/0d94a24eb933bc835d568f3009f4d269c4c4c17a
https://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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