USN-6225-1

It was discovered that Knot Resolver did not correctly handle certain client options. A remote attacker could send requests to malicous domains and cause a denial of service.

References

Affected packages

Ubuntu:Pro:16.04:LTS / knot-resolver

Package

Name: knot-resolver
Purl: pkg:deb/ubuntu/knot-resolver@1.0.0~beta3-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.0.0~beta3-1ubuntu0.1~esm1

Affected versions

1.*

1.0.0~beta2-123-g6134920-1

1.0.0~beta3-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.0.0~beta3-1ubuntu0.1~esm1",
            "binary_name": "knot-resolver"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6225-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2022-40188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS / knot-resolver

Package

Name: knot-resolver
Purl: pkg:deb/ubuntu/knot-resolver@2.1.1-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.1.1-1ubuntu0.1~esm2

Affected versions

1.*

1.3.3-1

1.5.0-4

1.5.1-1

1.5.2-1

2.*

2.0.0-3

2.1.0-1

2.1.0-2

2.1.1-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.1.1-1ubuntu0.1~esm2",
            "binary_name": "knot-resolver"
        },
        {
            "binary_version": "2.1.1-1ubuntu0.1~esm2",
            "binary_name": "knot-resolver-module-http"
        },
        {
            "binary_version": "2.1.1-1ubuntu0.1~esm2",
            "binary_name": "libkres-dev"
        },
        {
            "binary_version": "2.1.1-1ubuntu0.1~esm2",
            "binary_name": "libkres6"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6225-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2022-40188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

Ubuntu:20.04:LTS / knot-resolver

Package

Name: knot-resolver
Purl: pkg:deb/ubuntu/knot-resolver@3.2.1-3ubuntu2.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.2.1-3ubuntu2.1

Affected versions

3.*

3.2.1-3

3.2.1-3ubuntu1

3.2.1-3ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.2.1-3ubuntu2.1",
            "binary_name": "knot-resolver"
        },
        {
            "binary_version": "3.2.1-3ubuntu2.1",
            "binary_name": "knot-resolver-module-http"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6225-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2022-40188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:Pro:22.04:LTS / knot-resolver

Package

Name: knot-resolver
Purl: pkg:deb/ubuntu/knot-resolver@5.4.4-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.4.4-1ubuntu0.1~esm1

Affected versions

5.*

5.3.1-1

5.4.2-1

5.4.3-1

5.4.4-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "5.4.4-1ubuntu0.1~esm1",
            "binary_name": "knot-resolver"
        },
        {
            "binary_version": "5.4.4-1ubuntu0.1~esm1",
            "binary_name": "knot-resolver-module-http"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6225-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2022-40188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:22.04:LTS"
}