ecverify in kdc/kdcpreauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.
{
"unresolved_ranges": [
{
"source": "CPE_RANGE",
"cpes": [
"cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"fixed": "1.18.4"
}
],
"vendor_product": "mit:kerberos_5"
},
{
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "10.0"
}
],
"vendor_product": "debian:debian_linux"
}
]
}{
"source": [
"CPE_RANGE",
"REFERENCES"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.18.4"
},
{
"introduced": "1.19.0"
},
{
"fixed": "1.19.2"
}
],
"cpe": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*"
}