CVE-2019-12325 : What You Need to Know

In the firmware version 2.0.4.4.46 of the Htek UC902 VoIP phone web management interface, multiple buffer overflow vulnerabilities have been discovered. These vulnerabilities can lead to a Denial of Service (DoS) attack and unauthorized code execution, potentially enabling an attacker to create a remote shell as a root user.

Understanding CVE-2019-12325

This CVE entry highlights critical security issues in the Htek UC902 VoIP phone web management interface.

What is CVE-2019-12325?

The CVE-2019-12325 vulnerability involves buffer overflow weaknesses in the Htek UC902 VoIP phone firmware, allowing attackers to crash the device without authentication and execute code to gain root access.

The Impact of CVE-2019-12325

The vulnerability has a high impact on availability, as attackers can disrupt the device's operation, potentially leading to service outages. While confidentiality and integrity impacts are low, the ability to execute code as a root user poses a significant security risk.

Technical Details of CVE-2019-12325

This section delves into the technical aspects of the CVE-2019-12325 vulnerability.

Vulnerability Description

The buffer overflow vulnerabilities in the Htek UC902 VoIP phone firmware version 2.0.4.4.46 allow attackers to crash the device and execute code to create a remote shell with root privileges.

Affected Systems and Versions

Affected Product: Htek UC902 VoIP phone
Vulnerable Version: 2.0.4.4.46

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: Low
User Interaction: None
Scope: Changed

Mitigation and Prevention

Protecting systems from CVE-2019-12325 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the firmware to the latest version provided by the vendor.
Implement network segmentation to limit exposure to adjacent network attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware components.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate users on secure practices and the importance of timely updates.

Patching and Updates

Apply patches and updates released by the vendor promptly to address the identified vulnerabilities.