CVE-2022-28737 - CVE House
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Status published Medium CVE-2022-28737

There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Chris Coulson

References

Affected Vendor

Red Hat Bootloader Team

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Affected Software

shim
Vulnerable Versions:
0

Timeline

Official Publish: July 20th, 2023
Last Modified: October 22nd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.