USN-5732-1

Source
https://ubuntu.com/security/notices/USN-5732-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5732-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5732-1
Related
Published
2022-11-17T17:38:45.076474Z
Modified
2022-11-17T17:38:45.076474Z
Summary
unbound vulnerability
Details

It was discovered that Unbound incorrectly handled delegations with a large number of non-responsive nameservers. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.7-1ubuntu2.6

Affected versions

1.*

1.6.5-1
1.6.7-1
1.6.7-1build1
1.6.7-1ubuntu1
1.6.7-1ubuntu2
1.6.7-1ubuntu2.1
1.6.7-1ubuntu2.2
1.6.7-1ubuntu2.3
1.6.7-1ubuntu2.4
1.6.7-1ubuntu2.5

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "libunbound2-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "python-unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "python3-unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound-anchor-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound-host"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.6",
            "binary_name": "unbound-host-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.4-2ubuntu1.4

Affected versions

1.*

1.9.0-2ubuntu1
1.9.0-2ubuntu2
1.9.4-2
1.9.4-2ubuntu1
1.9.4-2ubuntu1.1
1.9.4-2ubuntu1.2
1.9.4-2ubuntu1.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "libunbound8-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "python-unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "python3-unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound-anchor-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound-host"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.4",
            "binary_name": "unbound-host-dbgsym"
        }
    ]
}

Ubuntu:22.04:LTS / unbound

Package

Name
unbound
Purl
pkg:deb/ubuntu/unbound?arch=src?distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1ubuntu5.3

Affected versions

1.*

1.13.1-1ubuntu1
1.13.1-1ubuntu3
1.13.1-1ubuntu5
1.13.1-1ubuntu5.1
1.13.1-1ubuntu5.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "libunbound8-dbgsym"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "python3-unbound-dbgsym"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound-anchor-dbgsym"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound-dbgsym"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound-host"
        },
        {
            "binary_version": "1.13.1-1ubuntu5.3",
            "binary_name": "unbound-host-dbgsym"
        }
    ]
}