SB2019020102 - Multiple vulnerabilities in coTURN
Published: February 1, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2018-4058)
The vulnerability allows a remote authenticated attacker to gain access to potentially sensitive information.
The vulnerability exists in the coturn Traversal Using Relay NAT (TURN) server functionality due to an unsafe default configuration that allows the affected software to enable loopback forwarding to relay external traffic to the loopback interface. A remote attacker can set up a relay with a loopback address as the peer on a targeted TURN server that is designed to forward traffic from an external interface to the server loopback to gain unauthorized access to other sensitive services running on the loopback interface.
2) SQL injection (CVE-ID: CVE-2018-4056)
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists in the administrator web portal feature of coturn Traversal Using Relay NAT (TURN) due to insufficient sanitization of user-supplied data. 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.
3) Privilege escalation (CVE-ID: CVE-2018-4059)
The vulnerability allows a remote attacker to gain elevated privileges.
The vulnerability exists due to the default configuration uses an empty password for the local command line administration interface. A remote attacker with access to the local console can escalate privileges to administrator of the coTURN server.
Remediation
Install update from vendor's website.