Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
{
"unresolved_ranges": [
{
"vendor_product": "f5:big-ip_local_traffic_manager",
"cpes": [
"cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*"
],
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "11.6.1"
},
{
"fixed": "11.6.5.1"
},
{
"introduced": "12.1.0"
},
{
"fixed": "12.1.5.1"
},
{
"introduced": "13.1.0"
},
{
"fixed": "13.1.3.2"
},
{
"introduced": "14.0.0"
},
{
"fixed": "14.0.1.1"
},
{
"introduced": "14.1.0"
},
{
"fixed": "14.1.2.1"
},
{
"introduced": "15.0.0"
},
{
"fixed": "15.0.1.1"
}
]
},
{
"vendor_product": "mcafee:web_gateway",
"cpes": [
"cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*"
],
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "7.7.2.0"
},
{
"fixed": "7.7.2.24"
},
{
"introduced": "7.8.2.0"
},
{
"fixed": "7.8.2.13"
},
{
"introduced": "8.1.0"
},
{
"fixed": "8.2.0"
}
]
},
{
"vendor_product": "nodejs:node.js",
"cpes": [
"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*",
"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*"
],
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.8.1"
},
{
"introduced": "8.9.0"
},
{
"fixed": "8.16.1"
},
{
"introduced": "10.0.0"
},
{
"last_affected": "10.12.0"
},
{
"introduced": "10.13.0"
},
{
"fixed": "10.16.3"
},
{
"introduced": "12.0.0"
},
{
"fixed": "12.8.1"
}
]
},
{
"vendor_product": "canonical:ubuntu_linux",
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
}
]
},
{
"vendor_product": "debian:debian_linux",
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
]
},
{
"vendor_product": "fedoraproject:fedora",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "29"
},
{
"last_affected": "29"
},
{
"introduced": "30"
},
{
"last_affected": "30"
}
]
},
{
"vendor_product": "opensuse:leap",
"cpes": [
"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
},
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
]
},
{
"vendor_product": "oracle:graalvm",
"cpes": [
"cpe:2.3:a:oracle:graalvm:19.2.0:*:*:*:enterprise:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "19.2.0"
},
{
"last_affected": "19.2.0"
}
]
},
{
"vendor_product": "redhat:enterprise_linux",
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
]
},
{
"vendor_product": "redhat:jboss_core_services",
"cpes": [
"cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "1.0"
},
{
"last_affected": "1.0"
}
]
},
{
"vendor_product": "redhat:jboss_enterprise_application_platform",
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "7.2.0"
},
{
"last_affected": "7.2.0"
},
{
"introduced": "7.3.0"
},
{
"last_affected": "7.3.0"
}
]
},
{
"vendor_product": "redhat:openshift_container_platform",
"cpes": [
"cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "4.1"
},
{
"last_affected": "4.1"
}
]
},
{
"vendor_product": "redhat:openshift_service_mesh",
"cpes": [
"cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "1.0"
},
{
"last_affected": "1.0"
}
]
},
{
"vendor_product": "redhat:openstack",
"cpes": [
"cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "14"
},
{
"last_affected": "14"
}
]
},
{
"vendor_product": "redhat:quay",
"cpes": [
"cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "3.0.0"
},
{
"last_affected": "3.0.0"
}
]
},
{
"vendor_product": "redhat:single_sign-on",
"cpes": [
"cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "7.3"
},
{
"last_affected": "7.3"
}
]
},
{
"vendor_product": "redhat:software_collections",
"cpes": [
"cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "1.0"
},
{
"last_affected": "1.0"
}
]
},
{
"vendor_product": "synology:diskstation_manager",
"cpes": [
"cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "6.2"
},
{
"last_affected": "6.2"
}
]
}
]
}{
"cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "6.0.0"
},
{
"last_affected": "6.2.3"
},
{
"introduced": "7.0.0"
},
{
"last_affected": "7.1.6"
},
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.3"
}
]
}