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Ubuntu: USN-4684-1 (CVE-2019-14584): EDK II vulnerabilities

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Ubuntu: USN-4684-1 (CVE-2019-14584): EDK II vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/18/2020
Created
01/11/2021
Added
01/08/2021
Modified
01/08/2021

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-4684-1:

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)

Solution(s)

  • ubuntu-upgrade-ovmf
  • ubuntu-upgrade-qemu-efi
  • ubuntu-upgrade-qemu-efi-aarch64
  • ubuntu-upgrade-qemu-efi-arm

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