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CVE-2021-23887— Privilege escalation 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 Endpoint 存在安全漏洞，攻击者可利用该漏洞写入任意受控制的内核地址。

CVSS 7.8 · High EPSS 0.22% · P11
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I. Basic Information for CVE-2021-23887

Vulnerability Information
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Vulnerability Title
Privilege escalation in McAfee DLP Endpoint for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
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 Endpoint 存在安全漏洞，攻击者可利用该漏洞写入任意受控制的内核地址。
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-2021-23887

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III. Intelligence Information for CVE-2021-23887

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Other References for CVE-2021-23887 (2)

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

CVE-2021-23886 5.5 MEDIUM Local Denial of Service 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-269

V. Comments for CVE-2021-23887

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