#VU62874 SQL injection in LibreHealth EHR - CVE-2022-29938

Vulnerability identifier: #VU62874

Vulnerability risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-29938

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LibreHealth EHR
Client/Desktop applications / Other client software

Vendor: LibreHealth

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the payment_id parameter in interface\billing\payment_master.inc.php. A remote attacker 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibreHealth EHR: 2.0.0

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External links
https://gitlab.com/librehealth/ehr/lh-ehr/-/tags
https://github.com/LibreHealthIO/lh-ehr/tags
https://nitroteam.kz/index.php?action=researches&slug=librehealth_r

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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.