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CVE-2021-23886— Local Denial of Service in McAfee DLP Endpoint for Windows

Quick assessment

Affected
McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mcafee Data Loss Prevention Endpoint（DLPe）是美国迈克菲（Mcafee）公司的一套集成式终端数据保护解决方案。该方案能够防止机密数据被盗和意外泄露，并提供针对文件处理和传输的安全策略、共享终端数据流控制和数据加密等功能。 McAfee Data Loss Prevention 存在安全漏洞，该漏洞允许本地低权限攻击者可利用该漏洞挂起进程、修改进程内存并重启进程，从而导致蓝屏。

CVSS 5.5 · Medium EPSS 0.22% · P12
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I. Basic Information for CVE-2021-23886

Vulnerability Information
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Vulnerability Title
Local Denial of Service in McAfee DLP Endpoint for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Mcafee Data Loss Prevention Endpoint 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee Data Loss Prevention Endpoint（DLPe）是美国迈克菲（Mcafee）公司的一套集成式终端数据保护解决方案。该方案能够防止机密数据被盗和意外泄露，并提供针对文件处理和传输的安全策略、共享终端数据流控制和数据加密等功能。 McAfee Data Loss Prevention 存在安全漏洞，该漏洞允许本地低权限攻击者可利用该漏洞挂起进程、修改进程内存并重启进程，从而导致蓝屏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows unspecified ~ 10.6.100.41 -

II. Public POCs for CVE-2021-23886

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III. Intelligence Information for CVE-2021-23886

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Other References for CVE-2021-23886 (2)

Same Patch Batch · McAfee,LLC · 2021-04-15 · 6 CVEs total

CVE-2021-23887 7.8 HIGH Privilege escalation in McAfee DLP Endpoint for Windows
CVE-2020-7269 4.9 MEDIUM Sensitive Information Exposure in McAfee ATD
CVE-2020-7270 4.9 MEDIUM Sensitive Information Exposure in McAfee ATD
CVE-2020-7308 4.8 MEDIUM Transmission of data in clear text by McAfee ENS
CVE-2021-23884 4.3 MEDIUM Clear text exposure of password in McAfee CSR ePO extension

IV. Related Vulnerabilities

Same product: McAfee Data Loss Prevention (DLP) Endpoint for Windows
Same vendor: McAfee,LLC
Same weakness: CWE-755

V. Comments for CVE-2021-23886

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