CVE-2022-40246
SbPei Boot Stage Privilege Escalation
Description
A potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: d827182e5f9b7a9ff0b9d3e232f7cfac43b5237e2681e11f005be627a49283a9 Module GUID: c1fbd624-27ea-40d1-aa48-94c3dc5c7e0d
INFO
Published Date :
Sept. 20, 2022, 6:15 p.m.
Last Modified :
Sept. 26, 2022, 2:22 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
0.5
Affected Products
The following products are affected by CVE-2022-40246
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-40246.
| URL | Resource |
|---|---|
| https://www.ami.com/security-center/ | Vendor Advisory |
| https://www.binarly.io/advisories/BRLY-2022-014 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-40246 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-40246 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 26, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://www.ami.com/security-center/ No Types Assigned https://www.ami.com/security-center/ Vendor Advisory Changed Reference Type https://www.binarly.io/advisories/BRLY-2022-014 No Types Assigned https://www.binarly.io/advisories/BRLY-2022-014 Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc510_firmware:0072:*:*:*:*:*:*:* OR cpe:2.3:h:intel:nuc_m15_laptop_kit_lapbc510:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:nuc_m15_laptop_kit_lapbc710_firmware:0072:*:*:*:*:*:*:* OR cpe:2.3:h:intel:nuc_m15_laptop_kit_lapbc710:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-40246 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-40246
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14679
percentile