Overview
This report analyzes the vulnerability CVE-2022-3010, which affects the Priva TopControl Suite – a popular system used for controlling building and indoor environment. The vulnerability arises from the use of predictable SSH login credentials, based on the serial number of the system. This makes it possible for attackers to calculate the login credentials, potentially leading to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2022-3010
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, potential data leakage
Affected Products
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Product | Affected Versions
Priva TopControl Suite | All versions prior to the patch
How the Exploit Works
The exploit takes advantage of the predictable SSH login credentials. Since these credentials are based on the serial number of the system, an attacker can leverage this predictability to calculate the login credentials. Once the attacker has access to these credentials, they can potentially gain unauthorized entry into the Priva TopControl Suite, leading to potential system compromise or data leakage.
Conceptual Example Code
An attacker may attempt to access the system via SSH using calculated credentials. The example below is a conceptual representation of this process:
$ ssh user@target.example.com
user@target.example.com password: [calculated based on serial number]In this example, the attacker attempts to SSH into the target system using the user credentials calculated based on the serial number. Once inside, they can conduct malicious activities, leading to potential system compromise or data leakage.
Mitigation
Users are advised to immediately apply the vendor patch provided by Priva to address this vulnerability. If the patch cannot be applied immediately, users can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. Regular monitoring and updating of systems is a good practice to prevent such vulnerabilities.
