CVE-2019-15247 : Vulnerability Insights and Analysis

Cisco SPA100 Series Analog Telephone Adapters have multiple vulnerabilities that could allow an attacker to execute arbitrary code with elevated privileges.

Understanding CVE-2019-15247

Cisco SPA100 Series Analog Telephone Adapters are susceptible to remote code execution vulnerabilities due to improper validation of user-supplied input in the web-based management interface.

What is CVE-2019-15247?

The vulnerability in Cisco SPA100 Series Analog Telephone Adapters allows an authenticated attacker to run unauthorized code with increased privileges by exploiting weaknesses in the web-based administrative interface.

The Impact of CVE-2019-15247

Attackers can execute arbitrary code with elevated privileges if the vulnerability is successfully exploited.
The web-based administrative interface is automatically enabled upon setup, making it a potential target for attackers.

Technical Details of CVE-2019-15247

Cisco SPA100 Series Analog Telephone Adapters are affected by a high-severity vulnerability with the following details:

Vulnerability Description

The weaknesses stem from inadequate validation of user-inputted data in the web-based administrative interface.

Affected Systems and Versions

Product: Cisco SPA112 2-Port Phone Adapter
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

An authenticated attacker within the web-based administrative interface can send engineered requests to exploit the vulnerability.

Mitigation and Prevention

Immediate Steps to Take:

Disable the web-based administrative interface if not required.
Apply vendor-provided patches and updates promptly. Long-Term Security Practices:
Regularly monitor and audit network traffic for any suspicious activities.
Implement strong authentication mechanisms and access controls.
Conduct security training for users to recognize and report potential threats.
Regularly update and patch all network devices and software.
Consider network segmentation to limit the impact of potential breaches.
Engage in threat intelligence sharing to stay informed about emerging risks and vulnerabilities.
Perform regular security assessments and penetration testing.

Patching and Updates

Cisco has released patches to address the vulnerabilities in the SPA100 Series Analog Telephone Adapters.