CVE-2023-33017CWE-120

Buffer Copy Without Checking Size of Input in Boot

High · published December 5, 2023

CVSS v3.1
7.8
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

Memory corruption in Boot while running a ListVars test in UEFI Menu during boot.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00157 · 4.5th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2023-12-05T03:03Z
EPSS history
Timeline
  • 05 DEC 03:03Z
    Buffer Copy Without Checking Size of Input in Boot
    cvelistv5