Vulnerability identifier: #VU23185

Vulnerability 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-2019-18184

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DMC-STRO
Hardware solutions / Other hardware appliances

Vendor: Crestron Electronics, Inc.

Description

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

The vulnerability exists due to a lack of input validation in the Bash Command Substitution on the "ping" command parameters. A remote attacker can execute arbitrary commands on the device on behalf of the root user.

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

Vulnerable software versions

DMC-STRO: 1.0

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External links
http://www.crestron.com/en-US/Products/Video/DigitalMedia-Modular-Matrix/Output-Cards-Blades/DMC-STRO
http://www.quantumleap.it/crestron-dmc-stro-remote-root-rce/
http://www.quantumleap.it/news/advisory/

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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.