CVE-2019-15249 : Exploit Details and Defense Strategies
Learn about CVE-2019-15249 involving Cisco SPA100 Series Analog Telephone Adapters vulnerabilities. Discover impact, affected systems, exploitation, and mitigation steps.
Cisco SPA100 Series Analog Telephone Adapters (ATAs) contain vulnerabilities that could allow an attacker to execute unauthorized code with elevated privileges.
Understanding CVE-2019-15249
This CVE involves multiple vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters that could be exploited by an authenticated attacker in close proximity.
What is CVE-2019-15249?
The vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters stem from inadequate validation of user-supplied input through the web-based management interface. An attacker could send customized requests to a targeted device, potentially leading to the execution of unauthorized code with elevated privileges.
The Impact of CVE-2019-15249
- CVSS Base Score: 8.0 (High Severity)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: Low
- Scope: Unchanged
- User Interaction: None
The vulnerabilities could allow an attacker to execute arbitrary code with elevated privileges.
Technical Details of CVE-2019-15249
Vulnerability Description
The vulnerabilities are a result of improper validation of user-supplied input to the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters.
Affected Systems and Versions
- Product: Cisco SPA112 2-Port Phone Adapter
- Vendor: Cisco
- Version: Unspecified
Exploitation Mechanism
An authenticated attacker in close proximity could exploit the vulnerabilities by sending crafted requests to the affected device.
Mitigation and Prevention
Immediate Steps to Take
- Disable the web-based management interface if not needed
- Apply vendor-supplied patches and updates promptly
- Monitor network traffic for signs of exploitation
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Implement network segmentation to limit the impact of potential attacks
Patching and Updates
- Refer to the vendor's security advisory for specific patching instructions and timelines