USN-3673-1

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Source
https://ubuntu.com/security/notices/USN-3673-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3673-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3673-1
Upstream
Related
Published
2018-06-07T22:21:42.534952Z
Modified
2025-10-13T04:34:39Z
Summary
unbound vulnerability
Details

Ralph Dolmans and Karst Koymans discovered that Unbound did not properly handle certain NSEC records. An attacker could use this to to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick Unbound into accepting a NODATA proof.

References

Affected packages

Ubuntu:14.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.22-1ubuntu4.14.04.3

Affected versions

1.*

1.4.20-1
1.4.21-1
1.4.21-1ubuntu1
1.4.21-1ubuntu2
1.4.22-1ubuntu1
1.4.22-1ubuntu2
1.4.22-1ubuntu3
1.4.22-1ubuntu4
1.4.22-1ubuntu4.14.04.1
1.4.22-1ubuntu4.14.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.4.22-1ubuntu4.14.04.3",
            "binary_name": "unbound-host"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2017-15105"
        }
    ]
}

Ubuntu:16.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.8-1ubuntu1.1

Affected versions

1.*

1.4.22-1ubuntu6
1.5.7-1ubuntu1
1.5.7-1ubuntu2
1.5.8-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.5.8-1ubuntu1.1",
            "binary_name": "unbound-host"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2017-15105"
        }
    ]
}

Ubuntu:18.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.7-1ubuntu2.1

Affected versions

1.*

1.6.5-1
1.6.7-1
1.6.7-1build1
1.6.7-1ubuntu1
1.6.7-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.1",
            "binary_name": "unbound-host"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2017-15105"
        }
    ]
}