USN-4684-1

See a problem?
Source
https://ubuntu.com/security/notices/USN-4684-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4684-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4684-1
Related
  • CVE-2019-14562
  • CVE-2019-14584
Published
2021-01-07T13:51:25.732338Z
Modified
2021-01-07T13:51:25.732338Z
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:18.04:LTS / edk2

Package

Name
edk2

Affected ranges

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

Ecosystem specific

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

Ubuntu:20.04:LTS / edk2

Package

Name
edk2

Affected ranges

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

Ecosystem specific

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

Ubuntu:16.04:LTS / edk2

Package

Name
edk2

Affected ranges

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

Ecosystem specific

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