Security Advisory 0080
Description
This advisory documents the impact of 4 publicly disclosed vulnerabilities within Ethernet encapsulation protocols on Arista products. The issues involve how L2 network security controls can be bypassed using VLAN 0 stacking or 802.3 LLC headers with invalid length. An attacker can send crafted packets through vulnerable devices to cause Denial-of-Service (DoS) or to perform a Man-in-the-Middle (MitM) attack against L2 reachable hosts in the network.
Solution(s)
- upgrade-solution-CVE-2021-27853
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center