USN-4374-1

Source
https://ubuntu.com/security/notices/USN-4374-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4374-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4374-1
Related
Published
2020-05-27T15:19:10.042490Z
Modified
2020-05-27T15:19:10.042490Z
Summary
unbound vulnerabilities
Details

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Unbound incorrectly handled certain queries. A remote attacker could use this issue to perform an amplification attack directed at a target. (CVE-2020-12662)

It was discovered that Unbound incorrectly handled certain malformed answers. A remote attacker could possibly use this issue to cause Unbound to crash, resulting in a denial of service. (CVE-2020-12663)

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
1.6.7-1ubuntu2.3

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "libunbound2"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "libunbound2-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python-unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "python3-unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-anchor-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-dbgsym"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "binary_name": "unbound-host"
        },
        {
            "binary_version": "1.6.7-1ubuntu2.3",
            "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
1.9.4-2ubuntu1.1

Affected versions

1.*

1.9.0-2ubuntu1
1.9.0-2ubuntu2
1.9.4-2
1.9.4-2ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "libunbound-dev"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "libunbound8"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "libunbound8-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python-unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python3-unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "python3-unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-anchor"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-anchor-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-dbgsym"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-host"
        },
        {
            "binary_version": "1.9.4-2ubuntu1.1",
            "binary_name": "unbound-host-dbgsym"
        }
    ]
}