EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
Published 2024-01-09 16:15:44
Updated 2024-03-13 02:15:50
Source TianoCore.org
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2022-36765

Exploit prediction scoring system (EPSS) score for CVE-2022-36765

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-36765

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.0
HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
1.1
5.3
TianoCore.org 2024-01-09
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST 2024-01-16

CWE ids for CVE-2022-36765

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)
  • The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.
    Assigned by: infosec@edk2.groups.io (Secondary)

References for CVE-2022-36765

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