CVE-2019-15246 Explained : Impact and Mitigation
Learn about the remote code execution vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters (ATAs) allowing attackers to execute arbitrary code with elevated privileges. Find mitigation steps and patching instructions.
Cisco SPA100 Series Analog Telephone Adapters have been identified with remote code execution vulnerabilities that could allow attackers to execute arbitrary code with elevated privileges.
Understanding CVE-2019-15246
Multiple weaknesses in Cisco SPA100 Series Analog Telephone Adapters may enable adjacent attackers to execute arbitrary code with elevated privileges through the web-based management interface.
What is CVE-2019-15246?
The vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters stem from inadequate validation of user input in the web-based management interface, allowing authenticated attackers to execute arbitrary code with elevated privileges.
The Impact of CVE-2019-15246
If successfully exploited, attackers can execute arbitrary code with elevated privileges, potentially leading to severe consequences such as unauthorized access and control over the affected devices.
Technical Details of CVE-2019-15246
Cisco SPA100 Series Analog Telephone Adapters are susceptible to remote code execution due to improper validation of user-supplied input.
Vulnerability Description
The vulnerabilities arise from inadequate validation of user input in the web-based management interface, enabling attackers to execute arbitrary code with elevated privileges.
Affected Systems and Versions
- Product: Cisco SPA112 2-Port Phone Adapter
- Vendor: Cisco
- Version: Unspecified
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- CVSS Score: 8.0 (High Severity)
- Vector String: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-15246.
Immediate Steps to Take
- Disable the web-based management interface if not essential
- Implement strong authentication mechanisms
- Regularly monitor and audit network traffic for suspicious activities
Long-Term Security Practices
- Keep systems up to date with the latest security patches
- Conduct regular security training for employees to raise awareness of potential threats
Patching and Updates
- Refer to the vendor's advisory for specific patching instructions and updates