SB2020120723 - Multiple vulnerabilities in OpenClinic
Published: December 7, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2020-28938)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in lib/Check.php. A remote authenticated attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Arbitrary file upload (CVE-ID: CVE-2020-28939)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in "medical/test_new.php". A remote authenticated attacker can upload a malicious file and execute it on the server.
3) Improper Authentication (CVE-ID: CVE-2020-28937)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can send a direct request to the "/tests/" URI, access any patient´s medical test results and disclose the Protected Health Information (PHI) stored in the application.
4) Path traversal (CVE-ID: N/A)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the "/admin/theme_new.php" endpoint. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.