Vulnerability Details : CVE-2022-36765
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.
Vulnerability category: Overflow
Products affected by CVE-2022-36765
- cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*
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
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
[SECURITY] Fedora 39 Update: edk2-20240214-2.fc39 - package-announce - Fedora Mailing-Lists
-
https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
Integer Overflow in CreateHob() could lead to HOB OOB R/W · Advisory · tianocore/edk2 · GitHubThird Party Advisory
Jump to