CVE-2023-4020
Silicon Labs TrustZone Memory Overwrite Vulnerability
Description
An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.
INFO
Published Date :
Dec. 15, 2023, 9:15 p.m.
Last Modified :
Sept. 25, 2024, 4:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
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-2023-4020.
| URL | Resource |
|---|---|
| https://community.silabs.com/069Vm0000004b95IAA | Permissions Required |
| https://github.com/SiliconLabs/gecko_sdk/releases | Release Notes |
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-2023-4020 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-4020 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]
Sep. 25, 2024
Action Type Old Value New Value Added CWE Silicon Labs CWE-125 Added CWE Silicon Labs CWE-787 Removed CWE Silicon Labs CWE-20 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 19, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://community.silabs.com/069Vm0000004b95IAA No Types Assigned https://community.silabs.com/069Vm0000004b95IAA Permissions Required Changed Reference Type https://github.com/SiliconLabs/gecko_sdk/releases No Types Assigned https://github.com/SiliconLabs/gecko_sdk/releases Release Notes Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:* versions from (including) 1.0.0 up to (excluding) 4.4.0 -
CVE Received by [email protected]
Dec. 15, 2023
Action Type Old Value New Value Added Description An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory. Added Reference Silicon Labs https://github.com/SiliconLabs/gecko_sdk/releases [No types assigned] Added Reference Silicon Labs https://community.silabs.com/069Vm0000004b95IAA [No types assigned] Added CWE Silicon Labs CWE-20 Added CVSS V3.1 Silicon Labs AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-4020 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-2023-4020
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.41459
percentile