CVE-2021-36276
Dell DBUtilDrv2.sys Privilege Escalation Vulnerability
Description
Dell DBUtilDrv2.sys driver (versions 2.5 and 2.6) contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required.
INFO
Published Date :
Aug. 9, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 6:13 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2021-36276 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-36276
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-2021-36276.
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).
Some usefull info when reverse engineering Kernel Mode Anti-Cheat
anti-cheat anticheat reverse-engineering kernel windows driver kernel-driver heuristics kmac
C++
Kernel Driver Utility
loader driver-loader dse byovd
C C++ Assembly
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-36276 vulnerability anywhere in the article.
-
The Hacker News
New TCESB Malware Found in Active Attacks Exploiting ESET Security Scanner
Windows Security / Vulnerability A Chinese-affiliated threat actor known for its cyber-attacks in Asia has been observed exploiting a security flaw in security software from ESET to deliver a previous ... Read more
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Dark Reading
ToddyCat APT Targets ESET Bug to Load Silent Malware
Source: DSlight_photography via ShutterstockThe Chinese-speaking ToddyCat advanced persistent threat (APT) group is targeting a security vulnerability in ESET's antivirus software to silently execute ... Read more
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Cyber Security News
ToddyCat Hackers Exploit ESET’s Command Line Scanner Vulnerability to Evade Detection
ToddyCat, the notorious APT group, used a sophisticated attack strategy to stealthily deploy malicious code in targeted systems by exploiting a weakness in ESET’s command line scanner. The vulnerabili ... Read more
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Kaspersky
How ToddyCat tried to hide behind AV software
To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-moni ... Read more
The following table lists the changes that have been made to the
CVE-2021-36276 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Apr. 25, 2022
Action Type Old Value New Value Removed CWE NIST CWE-552 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Aug. 17, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver No Types Assigned https://www.dell.com/support/kbdoc/en-us/000190105/dsa-2021-152-dell-client-platform-security-update-for-an-insufficient-access-control-vulnerability-in-the-dell-dbutildrv2-sys-driver Patch, Vendor Advisory Added CWE NIST CWE-552 Added CPE Configuration OR *cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.5:*:*:*:*:*:*:* *cpe:2.3:o:dell:dbutildrv2.sys_firmware:2.6:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-36276 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-2021-36276
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} -0.01%
score
0.32909
percentile