The vulnerability of the Ethernet encapsulation protocol lies in its ability to combine headers, which allows attackers to trigger a service failure or execute a Middleware Interception Attack (MITM).

The vulnerability of the Ethernet encapsulation protocol lies in the ability to combine headers. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures or execute a “Man-in-the-Middle” attack...

PT-2022-4863 · Cisco · Cisco Ios +1

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue is related to the implementation of the Ethernet encapsulation protocol, specifically concerning the combination of headers. This could allow ...

L2 network security controls can be bypassed using VLAN 0 stacking and/or 802.3 headers

Overview Layer-2 L2 network security controls provided by various devices, such as switches, routers, and operating systems, can be bypassed by stacking Ethernet protocol headers. An attacker can send crafted packets through vulnerable devices to cause Denial-of-service DoS or to perform a...