CVE-2022-1256— Improper Privilege Management in McAfee Agent for Windows
Quick assessment
Affected
McAfee,LLC McAfee Agent 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 McAfee Agent（MA）是美国迈克菲（Mcafee）公司的一套提供了ePolicy Orchestrator（杀毒软件管理平台）与被管理产品之间的安全通信的客户端组件。 McAfee Agent for Windows 5.7.6 之前存在安全漏洞，该漏洞允许本地低权限用户通过运行修复功能获得系统权限。通过操纵符号链接，以系统权限对本地用户的 %TEMP% 目录执行临时文件操作。
Possible ATT&CK Techniques 3 AI
T1548 · Abuse Elevation Control Mechanism T1548.002 · Bypass User Account Control T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-1256
Vulnerability Information
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Vulnerability Title
Improper Privilege Management in McAfee Agent for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
A local privilege escalation vulnerability in MA for Windows prior to 5.7.6 allows a local low privileged user to gain system privileges through running the repair functionality. Temporary file actions were performed on the local user's %TEMP% directory with System privileges through manipulation of symbolic links.
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 Agent 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee McAfee Agent（MA）是美国迈克菲（Mcafee）公司的一套提供了ePolicy Orchestrator（杀毒软件管理平台）与被管理产品之间的安全通信的客户端组件。 McAfee Agent for Windows 5.7.6 之前存在安全漏洞，该漏洞允许本地低权限用户通过运行修复功能获得系统权限。通过操纵符号链接，以系统权限对本地用户的 %TEMP% 目录执行临时文件操作。
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 Agent for Windows | unspecified ~ 5.7.6 | - |
|
II. Public POCs for CVE-2022-1256
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-1256 (1)
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10382 x_refsource_CONFIRM
Same Patch Batch · McAfee,LLC · 2022-04-14 · 3 CVEs total
| CVE-2022-1258 | 8.4 HIGH | SQL injection vulnerability in McAfee Agent's ePO extension |
| CVE-2022-1257 | 6.1 MEDIUM | Improper Verification of Cryptographic Signature by McAfee Agent |
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Same weakness: CWE-269
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V. Comments for CVE-2022-1256
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