VULNERABILITY

Huawei EulerOS: CVE-2022-28737: shim security update

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Huawei EulerOS: CVE-2022-28737: shim security update

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
08/16/2022
Created
09/14/2022
Added
09/14/2022
Modified
01/30/2025

Description

There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.

Solution(s)

  • huawei-euleros-2_0_sp9-upgrade-shim
  • huawei-euleros-2_0_sp9-upgrade-shim-aa64-storage

References

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