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Ubuntu: USN-4923-1 (CVE-2021-28210): EDK II vulnerabilities

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Ubuntu: USN-4923-1 (CVE-2021-28210): EDK II vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
03/29/2021
Created
04/24/2021
Added
04/21/2021
Modified
07/06/2021

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-4923-1:

Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources, leading to a denial of service. (CVE-2021-28210)

Satoshi Tanda discovered that EDK II incorrectly handled decompressing certain images. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28211)

Solution(s)

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

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