CVE-2019-12674 : Exploit Details and Defense Strategies
Learn about CVE-2019-12674 affecting Cisco Firepower Threat Defense Software. Discover the impact, technical details, and mitigation steps for this high-severity vulnerability.
Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities
Understanding CVE-2019-12674
This CVE involves weaknesses in the multi-instance feature of Cisco Firepower Threat Defense (FTD) Software, allowing an attacker to execute commands with root privileges in the host namespace.
What is CVE-2019-12674?
The vulnerabilities in the multi-instance feature of Cisco FTD Software enable an authenticated, local attacker to escape the container for their FTD instance and run commands with root privileges in the host namespace.
The Impact of CVE-2019-12674
The lack of proper safeguards on the underlying filesystem leads to these vulnerabilities. If exploited, an attacker could impact other active FTD instances by running commands with root privileges in the host namespace.
Technical Details of CVE-2019-12674
Vulnerability Description
Multiple vulnerabilities in the multi-instance feature of Cisco FTD Software allow an attacker to escape the container and execute commands with root privileges in the host namespace due to insufficient protections on the underlying filesystem.
Affected Systems and Versions
- Product: Cisco Firepower Threat Defense Software
- Vendor: Cisco
- Affected Version: Unspecified
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: High
- Scope: Changed
- User Interaction: None
- CVSS Score: 8.2 (High)
- Vector String: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Monitor for any unauthorized access or unusual activities.
- Restrict network access to affected systems.
Long-Term Security Practices
- Implement the principle of least privilege for system access.
- Regularly review and update security configurations.
- Conduct security training for personnel on best practices.
Patching and Updates
- Cisco has likely released patches to address these vulnerabilities. Ensure all systems are updated with the latest security fixes.