USN-4684-1

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Source
https://ubuntu.com/security/notices/USN-4684-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4684-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4684-1
Upstream
Related
Published
2021-01-07T13:51:25.732338Z
Modified
2025-10-13T04:35:19Z
Summary
edk2 vulnerabilities
Details

Laszlo Ersek discovered that EDK II incorrectly validated certain signed images. An attacker could possibly use this issue with a specially crafted image to cause EDK II to hang, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2019-14562)

It was discovered that EDK II incorrectly parsed signed PKCS #7 data. An attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-14584)

References

Affected packages

Ubuntu:16.04:LTS / edk2

Package

Name
edk2
Purl
pkg:deb/ubuntu/edk2@0~20160408.ffea0a2c-2ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0~20160408.ffea0a2c-2ubuntu0.2

Affected versions

0~20150106.*

0~20150106.5c2d456b-2

0~20160104.*

0~20160104.c2a892d7-1

0~20160408.*

0~20160408.ffea0a2c-2
0~20160408.ffea0a2c-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0~20160408.ffea0a2c-2ubuntu0.2",
            "binary_name": "ovmf"
        },
        {
            "binary_version": "0~20160408.ffea0a2c-2ubuntu0.2",
            "binary_name": "qemu-efi"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-14562",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2019-14584",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / edk2

Package

Name
edk2
Purl
pkg:deb/ubuntu/edk2@0~20180205.c0d9813c-2ubuntu0.3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0~20180205.c0d9813c-2ubuntu0.3

Affected versions

0~20170911.*

0~20170911.5dfba97c-1

0~20171010.*

0~20171010.234dbcef-1

0~20171027.*

0~20171027.76fd5a66-1

0~20171205.*

0~20171205.a9212288-1

0~20180105.*

0~20180105.0bc94c74-1

0~20180205.*

0~20180205.c0d9813c-1
0~20180205.c0d9813c-2
0~20180205.c0d9813c-2ubuntu0.1
0~20180205.c0d9813c-2ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0~20180205.c0d9813c-2ubuntu0.3",
            "binary_name": "ovmf"
        },
        {
            "binary_version": "0~20180205.c0d9813c-2ubuntu0.3",
            "binary_name": "qemu-efi"
        },
        {
            "binary_version": "0~20180205.c0d9813c-2ubuntu0.3",
            "binary_name": "qemu-efi-aarch64"
        },
        {
            "binary_version": "0~20180205.c0d9813c-2ubuntu0.3",
            "binary_name": "qemu-efi-arm"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-14562",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2019-14584",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / edk2

Package

Name
edk2
Purl
pkg:deb/ubuntu/edk2@0~20191122.bd85bf54-2ubuntu3.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0~20191122.bd85bf54-2ubuntu3.1

Affected versions

0~20190606.*

0~20190606.20d2e5a1-2ubuntu1

0~20190828.*

0~20190828.37eef910-3
0~20190828.37eef910-4

0~20191122.*

0~20191122.bd85bf54-1
0~20191122.bd85bf54-1ubuntu1
0~20191122.bd85bf54-2
0~20191122.bd85bf54-2ubuntu1
0~20191122.bd85bf54-2ubuntu2
0~20191122.bd85bf54-2ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.1",
            "binary_name": "ovmf"
        },
        {
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.1",
            "binary_name": "qemu-efi"
        },
        {
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.1",
            "binary_name": "qemu-efi-aarch64"
        },
        {
            "binary_version": "0~20191122.bd85bf54-2ubuntu3.1",
            "binary_name": "qemu-efi-arm"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-14562",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2019-14584",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ]
}