OS Command Injection in salt (Alpine package)



| Updated: 2022-12-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16846
CWE-ID CWE-78
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
 salt (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU48204

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2020-16846

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

Exploit availability: Yes

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 SaltStack Salt when processing API requests. A remote attacker can send specially crafted request to the server and execute arbitrary OS commands on the target system.

Successful exploitation of the vulnerability requires that SSH client is enabled.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

salt (Alpine package): 2015.8.1-r0 - 3000.3-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6df57e61ec174afc3dc2d85501ce9e9d3f24dffb


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.



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