OpenEMR up to 5.0.1.3 register.php improper authentication

Summaryinfo

A vulnerability has been found in OpenEMR up to 5.0.1.3 and classified as critical. The impacted element is an unknown function of the file portal/account/register.php. This manipulation causes improper authentication. This vulnerability is registered as CVE-2018-15152. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenEMR up to 5.0.1.3 (Business Process Management Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the file portal/account/register.php. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Authentication bypass vulnerability in portal/account/register.php in versions of OpenEMR before 5.0.1.4 allows a remote attacker to access (1) portal/add_edit_event_user.php, (2) portal/find_appt_popup_user.php, (3) portal/get_allergies.php, (4) portal/get_amendments.php, (5) portal/get_lab_results.php, (6) portal/get_medications.php, (7) portal/get_patient_documents.php, (8) portal/get_problems.php, (9) portal/get_profile.php, (10) portal/portal_payment.php, (11) portal/messaging/messages.php, (12) portal/messaging/secure_chat.php, (13) portal/report/pat_ledger.php, (14) portal/report/portal_custom_report.php, or (15) portal/report/portal_patient_report.php without authenticating as a patient.

The bug was discovered 08/07/2018. The weakness was published 08/15/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2018-15152 since 08/07/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:portal/account/register.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.0.1.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50017). Similar entries are available at VDB-122815 and VDB-122817. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Business Process Management Software

Name

• OpenEMR

Version

• 5.0.1.0
• 5.0.1.1
• 5.0.1.2
• 5.0.1.3

License

• open-source

Website

• Product: https://github.com/openemr/openemr/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion