CVE-2019-1708 : Security Advisory and Response
Learn about CVE-2019-1708 affecting Cisco ASA and FTD Software. Discover the impact, affected versions, and mitigation steps for this MOBIKE DoS vulnerability.
A security issue in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software related to the Internet Key Exchange Version 2 Mobility and Multihoming Protocol (MOBIKE) feature could lead to a denial of service (DoS) attack. This vulnerability allows an unauthorized remote attacker to cause a memory leak or device reload by sending specific MOBIKE packets.
Understanding CVE-2019-1708
This CVE involves a vulnerability in Cisco ASA and FTD Software that could be exploited for a DoS attack.
What is CVE-2019-1708?
The vulnerability in MOBIKE feature processing in Cisco ASA and FTD Software can be abused by attackers to trigger a DoS condition by sending crafted packets.
The Impact of CVE-2019-1708
- Attack Complexity: Low
- Attack Vector: Network
- Availability Impact: High
- Base Score: 8.6 (High Severity)
- Scope: Changed
- No Confidentiality or Integrity Impact
- No Privileges Required
- User Interaction: None
Technical Details of CVE-2019-1708
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from incorrect processing of specific MOBIKE packets, allowing attackers to exploit it for DoS attacks.
Affected Systems and Versions
- Cisco Adaptive Security Appliance (ASA) Software versions less than 9.8.4, 9.9.2.50, and 9.10.1.17
- Cisco Firepower Threat Defense (FTD) Software versions less than 6.2.3.12 and 6.3.0.3
Exploitation Mechanism
Attackers can exploit the vulnerability by sending carefully crafted MOBIKE packets to the targeted device, leading to memory consumption and device reload.
Mitigation and Prevention
Protecting systems from CVE-2019-1708 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor patches and updates promptly
- Monitor network traffic for any suspicious activity
- Implement firewall rules to restrict MOBIKE traffic
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security assessments and penetration testing
- Educate users and IT staff on cybersecurity best practices
Patching and Updates
- Cisco has released patches to address the vulnerability
- Ensure all affected systems are updated with the latest security fixes