OS Command Injection in OpenEMR OpenEMR

1) OS Command Injection

EUVDB-ID: #VU20923

Risk: Medium

CVSSv4.0: 5.2 [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:U/U:Green]

CVE-ID: CVE-2019-3968

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 insufficient input validation in the Scanned Forms interface when creating a new form. A remote authenticated attacker can pass specially crafted input to the affected form 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

OpenEMR: 4.1.0 - 5.0.1

CPE2.3

• cpe:2.3:a:openemr:openemr:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:openemr:openemr:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:openemr:openemr:4.1.2:*:*:*:*:*:*:*

External links

https://www.tenable.com/security/research/tra-2019-40

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.