USN-6543-1

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Source
https://ubuntu.com/security/notices/USN-6543-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6543-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6543-1
Upstream
Related
Published
2023-12-11T00:26:33.709095Z
Modified
2025-10-13T04:36:43Z
Summary
tar vulnerability
Details

It was discovered that tar incorrectly handled extended attributes in PAX archives. An attacker could use this issue to cause tar to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / tar

Package

Name
tar
Purl
pkg:deb/ubuntu/tar@1.27.1-1ubuntu0.1+esm4?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.27.1-1ubuntu0.1+esm4

Affected versions

1.*

1.26+dfsg-8
1.27-3
1.27-4
1.27.1-1
1.27.1-1ubuntu0.1
1.27.1-1ubuntu0.1+esm1
1.27.1-1ubuntu0.1+esm2
1.27.1-1ubuntu0.1+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.27.1-1ubuntu0.1+esm4",
            "binary_name": "tar"
        },
        {
            "binary_version": "1.27.1-1ubuntu0.1+esm4",
            "binary_name": "tar-scripts"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-39804",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:Pro:16.04:LTS / tar

Package

Name
tar
Purl
pkg:deb/ubuntu/tar@1.28-2.1ubuntu0.2+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.28-2.1ubuntu0.2+esm3

Affected versions

1.*

1.27.1-2
1.28-2ubuntu1
1.28-2.1
1.28-2.1ubuntu0.1
1.28-2.1ubuntu0.2
1.28-2.1ubuntu0.2+esm1
1.28-2.1ubuntu0.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.28-2.1ubuntu0.2+esm3",
            "binary_name": "tar"
        },
        {
            "binary_version": "1.28-2.1ubuntu0.2+esm3",
            "binary_name": "tar-scripts"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-39804",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS / tar

Package

Name
tar
Purl
pkg:deb/ubuntu/tar@1.29b-2ubuntu0.4+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.29b-2ubuntu0.4+esm1

Affected versions

1.*

1.29b-2
1.29b-2ubuntu0.1
1.29b-2ubuntu0.2
1.29b-2ubuntu0.3
1.29b-2ubuntu0.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.29b-2ubuntu0.4+esm1",
            "binary_name": "tar"
        },
        {
            "binary_version": "1.29b-2ubuntu0.4+esm1",
            "binary_name": "tar-scripts"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-39804",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

Ubuntu:20.04:LTS / tar

Package

Name
tar
Purl
pkg:deb/ubuntu/tar@1.30+dfsg-7ubuntu0.20.04.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.30+dfsg-7ubuntu0.20.04.4

Affected versions

1.*

1.30+dfsg-6
1.30+dfsg-7
1.30+dfsg-7ubuntu0.20.04.1
1.30+dfsg-7ubuntu0.20.04.2
1.30+dfsg-7ubuntu0.20.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.4",
            "binary_name": "tar"
        },
        {
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.4",
            "binary_name": "tar-scripts"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-39804",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS / tar

Package

Name
tar
Purl
pkg:deb/ubuntu/tar@1.34+dfsg-1ubuntu0.1.22.04.2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.34+dfsg-1ubuntu0.1.22.04.2

Affected versions

1.*

1.34+dfsg-1build1
1.34+dfsg-1build2
1.34+dfsg-1build3
1.34+dfsg-1ubuntu0.1.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.34+dfsg-1ubuntu0.1.22.04.2",
            "binary_name": "tar"
        },
        {
            "binary_version": "1.34+dfsg-1ubuntu0.1.22.04.2",
            "binary_name": "tar-scripts"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-39804",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}