A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
{
"unresolved_ranges": [
{
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "12.04"
}
]
},
{
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "14.04"
}
]
},
{
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "16.04"
}
]
},
{
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "18.04"
}
]
},
{
"cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "18.10"
}
]
},
{
"cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "8.0"
}
]
},
{
"cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "9.0"
}
]
}
]
}{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.7.12"
},
{
"introduced": "4.8.0"
},
{
"fixed": "4.8.7"
},
{
"introduced": "4.8.8"
},
{
"fixed": "4.9.3"
}
]
}