HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.
{
"versions": [
{
"introduced": "1.9.0"
},
{
"fixed": "1.9.8"
},
{
"introduced": "1.9.0"
},
{
"fixed": "1.9.8"
},
{
"introduced": "1.10.0"
},
{
"fixed": "1.10.1"
},
{
"introduced": "1.10.0"
},
{
"fixed": "1.10.1"
}
]
}