CVE-2019-12326 Explained : Impact and Mitigation
Learn about CVE-2019-12326, a high-severity vulnerability in Akuvox R50P VoIP phone allowing code execution. Find mitigation steps and long-term security practices here.
A vulnerability in the ringtone upload feature of the Akuvox R50P VoIP phone allows attackers to execute arbitrary code.
Understanding CVE-2019-12326
This CVE involves a lack of file and path validation in the ringtone upload function of the Akuvox R50P VoIP phone, enabling malicious actors to upload manipulated files containing executable payloads.
What is CVE-2019-12326?
The absence of proper file and path validation in the ringtone upload feature of the Akuvox R50P VoIP phone 50.0.6.156 allows an attacker to upload a tampered ringtone file with an embedded executable payload, leading to code execution.
The Impact of CVE-2019-12326
- CVSS Base Score: 7.2 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: High
- Confidentiality, Integrity, and Availability Impact: High
- User Interaction: None
- Scope: Unchanged
Technical Details of CVE-2019-12326
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from the lack of file and path validation in the ringtone upload function of the Akuvox R50P VoIP phone, allowing the upload of manipulated files with executable payloads.
Affected Systems and Versions
- Affected Product: Akuvox R50P VoIP phone
- Affected Version: 50.0.6.156
Exploitation Mechanism
The attacker can exploit this vulnerability by uploading a ringtone file containing malicious shell commands, triggering code execution.
Mitigation and Prevention
Protecting systems from CVE-2019-12326 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable the ringtone upload feature if not essential
- Implement file and path validation mechanisms
- Regularly monitor and audit uploaded files
Long-Term Security Practices
- Conduct security training for users on file upload best practices
- Keep systems and software updated with the latest security patches
Patching and Updates
- Apply patches provided by Akuvox to address the vulnerability