The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.
{
"unresolved_ranges": [
{
"vendor_product": "openbsd:openssh",
"extracted_events": [
{
"last_affected": "7.2"
}
],
"cpes": [
"cpe:2.3:a:openbsd:openssh:*:p2:*:*:*:*:*:*"
],
"source": "CPE_RANGE"
},
{
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"last_affected": "24"
}
],
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*"
],
"source": "CPE_STRING"
}
]
}