USN-4667-1

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Source
https://ubuntu.com/security/notices/USN-4667-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4667-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4667-1
Upstream
Related
Published
2020-12-09T16:30:18.497481Z
Modified
2025-10-13T04:35:18Z
Summary
apt vulnerability
Details

Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service.

References

Affected packages

Ubuntu:16.04:LTS / apt

Package

Name
apt
Purl
pkg:deb/ubuntu/apt@1.2.32ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.32ubuntu0.2

Affected versions

1.*

1.0.10.2ubuntu1
1.1.4
1.1.5
1.1.10
1.2.3
1.2.4
1.2.6
1.2.7
1.2.8
1.2.9
1.2.10
1.2.10ubuntu1
1.2.12~ubuntu16.04.1
1.2.15
1.2.15ubuntu0.2
1.2.18
1.2.19
1.2.20
1.2.24
1.2.25
1.2.26
1.2.27
1.2.29
1.2.29ubuntu0.1
1.2.31
1.2.32
1.2.32ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "apt"
        },
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "apt-transport-https"
        },
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "apt-utils"
        },
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "libapt-inst2.0"
        },
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "libapt-pkg-dev"
        },
        {
            "binary_version": "1.2.32ubuntu0.2",
            "binary_name": "libapt-pkg5.0"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-27350",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / apt

Package

Name
apt
Purl
pkg:deb/ubuntu/apt@1.6.12ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.12ubuntu0.2

Affected versions

1.*

1.5
1.5.1
1.6~alpha5
1.6~alpha7ubuntu1
1.6~alpha7ubuntu2
1.6~beta1
1.6~rc1
1.6
1.6.1
1.6.2
1.6.3
1.6.3ubuntu0.1
1.6.6
1.6.6ubuntu0.1
1.6.8
1.6.10
1.6.11
1.6.12
1.6.12ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "apt"
        },
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "apt-transport-https"
        },
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "apt-utils"
        },
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "libapt-inst2.0"
        },
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "libapt-pkg-dev"
        },
        {
            "binary_version": "1.6.12ubuntu0.2",
            "binary_name": "libapt-pkg5.0"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-27350",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / apt

Package

Name
apt
Purl
pkg:deb/ubuntu/apt@2.0.2ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.2ubuntu0.2

Affected versions

1.*

1.9.4
1.9.5
1.9.7
1.9.8
1.9.9
1.9.10

2.*

2.0.0
2.0.1
2.0.1ubuntu1
2.0.2
2.0.2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.2ubuntu0.2",
            "binary_name": "apt"
        },
        {
            "binary_version": "2.0.2ubuntu0.2",
            "binary_name": "apt-transport-https"
        },
        {
            "binary_version": "2.0.2ubuntu0.2",
            "binary_name": "apt-utils"
        },
        {
            "binary_version": "2.0.2ubuntu0.2",
            "binary_name": "libapt-pkg-dev"
        },
        {
            "binary_version": "2.0.2ubuntu0.2",
            "binary_name": "libapt-pkg6.0"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-27350",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}