Command Injection in clamscan library



Published: 2020-04-07 | Updated: 2021-09-22
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-7613
CWE-ID CWE-77
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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clamscan
Universal components / Libraries / Libraries used by multiple products

Vendor Kyle Farris

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU26639

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-2020-7613

CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in the "_is_clamav_binary" function in "Index.js". A remote attacker can execute arbitrary commands on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

clamscan: 0.2.1 - 1.2.0


CPE2.3 External links

http://snyk.io/vuln/SNYK-JS-CLAMSCAN-564113
http://github.com/kylefarris/clamscan/blob/master/index.js#L34

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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