USN-7060-1: EDK II vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• edk2 - UEFI firmware for virtual machines

Details

It was discovered that EDK II did not check the buffer length in XHCI,
which could lead to a stack overflow. A local attacker could potentially
use this issue to cause a denial of service. This issue only affected
Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-0161)

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. This issue only affected
Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (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. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2021-28211)

It was discovered that EDK II incorrectly decoded certain strings. A remote
attacker could use this issue to cause EDK II to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-38575)

It was discovered that EDK II had integer underflow vulnerability in
SmmEntryPoint, which could result in a buffer overflow. An attacker
could potentially use this issue to cause a denial of service.
(CVE-2021-38578)

Elison Niven discovered that OpenSSL, vendored in EDK II, incorrectly
handled the c_rehash script. A local attacker could possibly use this
issue to execute arbitrary commands when c_rehash is run. This issue
only affected Ubuntu 16.04 LTS. (CVE-2022-1292)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04

• ovmf - 2022.02-3ubuntu0.22.04.3
• ovmf-ia32 - 2022.02-3ubuntu0.22.04.3
• qemu-efi-aarch64 - 2022.02-3ubuntu0.22.04.3
• qemu-efi-arm - 2022.02-3ubuntu0.22.04.3

Ubuntu 20.04

• ovmf - 0~20191122.bd85bf54-2ubuntu3.6
• qemu-efi-aarch64 - 0~20191122.bd85bf54-2ubuntu3.6
• qemu-efi-arm - 0~20191122.bd85bf54-2ubuntu3.6

Ubuntu 18.04

• ovmf - 0~20180205.c0d9813c-2ubuntu0.3+esm2
  Available with Ubuntu Pro
• qemu-efi-aarch64 - 0~20180205.c0d9813c-2ubuntu0.3+esm2
  Available with Ubuntu Pro
• qemu-efi-arm - 0~20180205.c0d9813c-2ubuntu0.3+esm2
  Available with Ubuntu Pro

Ubuntu 16.04

• ovmf - 0~20160408.ffea0a2c-2ubuntu0.2+esm3
  Available with Ubuntu Pro
• qemu-efi - 0~20160408.ffea0a2c-2ubuntu0.2+esm3
  Available with Ubuntu Pro

After a standard system update you need to restart the virtual machines
that use the affected firmware to make all the necessary changes.

References

• CVE-2021-38578
• CVE-2021-28210
• CVE-2019-0161
• CVE-2021-28211
• CVE-2021-38575
• CVE-2022-1292

Related notices

• USN-4923-1: edk2, qemu-efi, qemu-efi-aarch64, qemu-efi-arm, ovmf
• USN-5088-1: edk2, qemu-efi, qemu-efi-aarch64, qemu-efi-arm, ovmf-ia32, ovmf
• USN-5402-1: libssl1.1, openssl1.0, openssl, libssl1.0-dev, libssl-doc, libssl-dev, libssl1.0.0, libssl3
• USN-5402-2: libssl-doc, libssl-dev, libssl1.0.0, openssl
• USN-6457-1: nodejs-doc, libnode72, nodejs, libnode-dev
• USN-7018-1: libssl-doc, libssl-dev, libssl1.0.0, openssl