CVE-2023-40550CWE-125

Shim: out-of-bound read in verify_buffer_sbat()

Medium · published January 29, 2024

CVSS v3.1
5.5
EPSS
0%
Percentile
32.8
In the wild
Unconfirmed
What it is

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00397 · 32.8th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2024-01-29T16:29Z
EPSS history
Timeline
  • 29 JAN 16:29Z
    Shim: out-of-bound read in verify_buffer_sbat()
    cvelistv5