#VU12395 Security restrictions bypass in OpenEMR - CVE-2018-10573

Vulnerability identifier: #VU12395

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10573

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: OpenEMR

Description
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.

The weakness exists in the interface/fax/fax_dispatch.php code due improper security restrictions. A remote attacker can send specially crafted input to the scan parameter and bypass access restrictions.

Mitigation
Update to version 5.0.1.

Vulnerable software versions

OpenEMR: 4.1 - 5.0

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External links
https://github.com/openemr/openemr/pull/1519
https://github.com/openemr/openemr/issues/1518

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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.