CVE-2019-1944 : Exploit Details and Defense Strategies
Discover the impact of CVE-2019-1944 affecting Cisco Adaptive Security Appliance (ASA) Software. Learn about the vulnerabilities, their technical details, and mitigation steps to secure your systems.
Cisco Adaptive Security Appliance (ASA) Software is affected by vulnerabilities in the smart tunnel feature that could allow a local attacker to escalate privileges or inject harmful files. Learn more about the impact, technical details, and mitigation steps.
Understanding CVE-2019-1944
Multiple weaknesses in the smart tunnel functionality of Cisco ASA could lead to privilege escalation and injection of malicious files.
What is CVE-2019-1944?
The vulnerabilities in the smart tunnel feature of Cisco ASA could enable a local attacker with authentication to elevate privileges to the root user or inject harmful files during tunnel establishment.
The Impact of CVE-2019-1944
- CVSS Base Score: 6.7 (Medium Severity)
- Attack Vector: Local
- Attack Complexity: High
- Privileges Required: Low
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Unchanged
Technical Details of CVE-2019-1944
Vulnerability Description
The vulnerabilities in the smart tunnel feature of Cisco ASA could allow a local attacker to escalate privileges to the root user or inject harmful files during tunnel setup.
Affected Systems and Versions
- Affected Product: Cisco Adaptive Security Appliance (ASA) Software
- Vendor: Cisco
- Affected Versions: Less than 9.8.4.7 (unspecified version type)
Exploitation Mechanism
The vulnerabilities require local access and authentication to exploit, enabling privilege escalation and injection of harmful files.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor network traffic for any signs of exploitation.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement the principle of least privilege to limit user access.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and security fixes.