CVE-2021-26333
AMD PSP Chipset Driver Memory Disclosure
Description
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
INFO
Published Date :
Sept. 21, 2021, 11:15 a.m.
Last Modified :
April 26, 2022, 3:33 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-26333.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2021/Sep/24 | Mailing List Third Party Advisory |
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 | Vendor 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-2021-26333 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26333 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 -
Reanalysis by [email protected]
Apr. 26, 2022
Action Type Old Value New Value Removed CWE NIST CWE-269 Added CWE NIST CWE-909 -
Initial Analysis by [email protected]
Oct. 07, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html No Types Assigned http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html Third Party Advisory, VDB Entry Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/24 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/24 Mailing List, Third Party Advisory Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:a:amd:chipset_driver:*:*:*:*:*:*:*:* versions up to (excluding) 3.08.17.735 *cpe:2.3:a:amd:psp_driver:*:*:*:*:*:*:*:* versions up to (excluding) 5.17.0.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26333 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-2021-26333
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
0.14191
percentile