When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"vendor_product": "redhat:directory_server",
"extracted_events": [
{
"last_affected": "11.0"
}
],
"cpes": [
"cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:*"
]
},
{
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "7.0"
},
{
"last_affected": "8.0"
}
],
"vendor_product": "redhat:enterprise_linux",
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
]
}
]
}{
"source": [
"CPE_FIELD",
"REFERENCES"
],
"cpe": "cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.19"
},
{
"introduced": "1.4.4.0"
},
{
"fixed": "1.4.4.13"
},
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.3"
}
]
}