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CVE-2022-28737

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CVE-2022-28737

Published: Jul 20, 2023

Modified: Oct 22, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

Red Hat Bootloader Team

shim

affected
0 - < 15.6

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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