RSS   Vulnerabilities for 'Vlan protocol'   RSS

2005-12-20
 
CVE-2005-4440

CWE-Other
 

 
The 802.1q VLAN protocol allows remote attackers to bypass network segmentation and spoof VLAN traffic via a message with two 802.1q tags, which causes the second tag to be redirected from a downstream switch after the first tag has been stripped, as demonstrated by Yersinia, aka "double-tagging VLAN jumping attack."

 


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