It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "16.04"
},
{
"last_affected": "18.04"
},
{
"last_affected": "18.10"
},
{
"last_affected": "19.04"
}
],
"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:18.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"source": "CPE_STRING"
},
{
"extracted_events": [
{
"last_affected": "8.0"
}
],
"vendor_product": "debian:debian_linux",
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING"
},
{
"extracted_events": [
{
"last_affected": "31"
},
{
"last_affected": "32"
}
],
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"vendor_product": "fedoraproject:fedora"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING",
"vendor_product": "redhat:enterprise_linux_desktop",
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"vendor_product": "redhat:enterprise_linux_server"
},
{
"extracted_events": [
{
"last_affected": "7.0"
}
],
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"vendor_product": "redhat:enterprise_linux_workstation"
}
]
}