CVE-2018-0164 : Exploit Details and Defense Strategies
Discover the impact of CVE-2018-0164, a vulnerability in Cisco IOS XE Software allowing attackers to disrupt interface queues by mishandling IPv6 packets. Learn about affected systems and mitigation steps.
A weakness has been found in the Switch Integrated Security Features of Cisco IOS XE Software, potentially exploitable by an unauthorized attacker to disrupt an interface queue by mishandling crafted IPv6 packets.
Understanding CVE-2018-0164
What is CVE-2018-0164?
This vulnerability in Cisco IOS XE Software allows an attacker to disrupt an interface queue by sending manipulated IPv6 packets through the device.
The Impact of CVE-2018-0164
The successful exploitation of this vulnerability could lead to a disruption in the interface queue of affected Cisco routers and routers when configured with IPv6.
Technical Details of CVE-2018-0164
Vulnerability Description
- Vulnerability in Switch Integrated Security Features of Cisco IOS XE Software
- Caused by mishandling crafted IPv6 packets
- Exploitable by sending manipulated IPv6 packets through the device
Affected Systems and Versions
- Cisco cBR-8 Converged Broadband Router
- Cisco ASR 1000 Series Aggregation Services Routers
- Cisco Cloud Services Router 1000V Series
Exploitation Mechanism
- Attacker sends manipulated IPv6 packets through the device
- Vulnerability observed on Cisco cBR-8 Converged Broadband Router
- Not observed on Cisco ASR 1000 Series and Cisco Cloud Services Router 1000V Series
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary patches provided by Cisco
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Regularly update and patch all network devices
- Conduct security audits and assessments to identify vulnerabilities
Patching and Updates
- Cisco has released patches to address this vulnerability