It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"last_affected": "9.0"
}
],
"vendor_product": "debian:debian_linux"
},
{
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "6.0.0"
},
{
"last_affected": "7.0.0"
},
{
"last_affected": "7.1.0"
}
],
"vendor_product": "redhat:jboss_enterprise_application_platform"
}
]
}{
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.3.28"
}
],
"cpe": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*"
}