SB2023051519 - Multiple vulnerabilities in Teltonika Remote Management System
Published: May 15, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Observable Response Discrepancy (CVE-ID: CVE-2023-32346)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the observable response discrepancy issue. A remote attacker can create a list of the serial numbers and MAC addresses of all devices cloud-connected to the Remote Management System.
2) Improper Authentication (CVE-ID: CVE-2023-32347)
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 obtain the serial number and MAC address of the device, bypass authentication process and gain unauthorized access to the application.
3) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2023-32348)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in the virtual private network (VPN) hub feature. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
4) Cross-site scripting (CVE-ID: CVE-2023-2587)
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 the main page of the web interface. A remote attacker can trick the victim to follow a specially crafted link 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.
5) Input validation error (CVE-ID: CVE-2023-2588)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to inclusion of web functionality from an untrusted source. A remote attacker can use a specially crafted webpage that uses a trusted and certified domain to execute arbitrary code on the target system.
Remediation
Install update from vendor's website.