#VU50798 SQL injection in OpenEMR - CVE-2020-29139

Vulnerability identifier: #VU50798

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-29139

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenEMR
Client/Desktop applications / Other client software

Vendor: OpenEMR

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "searchFields" parameter in "interface/main/finder/patient_select.php". A remote administrator can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenEMR: 5.0.2 - 5.0.2.4

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External links
https://community.open-emr.org/t/openemr-6-0-0-has-been-released/15732
https://murat.one/?p=70
https://nitroteam.kz/index.php?action=researches&slug=OpenEMR--9035
https://www.open-emr.org/wiki/index.php/OpenEMR_Downloads

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.