The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "7.0.0"
},
{
"introduced": "0"
},
{
"last_affected": "7.0.1"
},
{
"introduced": "0"
},
{
"last_affected": "7.0.2"
},
{
"introduced": "0"
},
{
"last_affected": "7.0.3"
},
{
"introduced": "0"
},
{
"last_affected": "7.0.4"
},
{
"introduced": "0"
},
{
"last_affected": "8.0.0"
},
{
"introduced": "0"
},
{
"last_affected": "8.1.0"
}
]
}