CVE-2020-7266— Privilege Escalation vulnerability through symbolic links in VSE for Windows
Quick assessment
Affected
McAfee,LLC McAfee VirusScan Enterprise (VSE) 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 VirusScan Enterprise（VSE）是美国迈克菲（McAfee）公司的一套杀毒软件。该软件提供全方位的安全防护、扫描内存以查找恶意代码和为远程系统优化更新等功能。 基于Windows平台的McAfee VSE 8.8 Patch 14 Hotfix 116778之前版本中存在提权漏洞。本地攻击者可借助符号链接来重定向McAfee删除操作利用该漏洞删除被限制的文件。
Possible ATT&CK Techniques 3 AI
T1037 · Boot or Logon Initialization Scripts T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-7266
Vulnerability Information
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Vulnerability Title
Privilege Escalation vulnerability through symbolic links in VSE for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege Escalation vulnerability in McAfee VirusScan Enterprise (VSE) for Windows prior to 8.8 Patch 14 Hotfix 116778 allows local users to delete files the user would otherwise not have access to via manipulating symbolic links to redirect a McAfee delete action to an unintended file. This is achieved through running a malicious script or program on the target machine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分特权处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee VirusScan Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee VirusScan Enterprise（VSE）是美国迈克菲（McAfee）公司的一套杀毒软件。该软件提供全方位的安全防护、扫描内存以查找恶意代码和为远程系统优化更新等功能。 基于Windows平台的McAfee VSE 8.8 Patch 14 Hotfix 116778之前版本中存在提权漏洞。本地攻击者可借助符号链接来重定向McAfee删除操作利用该漏洞删除被限制的文件。
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 VirusScan Enterprise (VSE) for Windows | 8.8.x ~ 8.8 Patch 14 Hotfix 116778 | - |
|
II. Public POCs for CVE-2020-7266
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-7266 (1)
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10316 x_refsource_CONFIRM
Same Patch Batch · McAfee,LLC · 2020-05-08 · 11 CVEs total
| CVE-2020-7264 | 8.8 HIGH | Privilege Escalation vulnerability through symbolic links in ENS for Windows |
| CVE-2020-7265 | 8.8 HIGH | Privilege Escalation vulnerability through symbolic links in ENSM |
| CVE-2020-7267 | 8.8 HIGH | Privilege Escalation vulnerability through symbolic links in VSEL |
| CVE-2020-7286 | 7.8 HIGH | Privilege Escalation vulnerability in EDR for Windows |
| CVE-2020-7285 | 7.8 HIGH | Privilege Escalation vulnerability in MVISION Endpoint |
| CVE-2020-7289 | 7.8 HIGH | Privilege Escalation vulnerability in MAR for Windows |
| CVE-2020-7288 | 7.8 HIGH | Privilege Escalation vulnerability in EDR for Mac |
| CVE-2020-7287 | 7.8 HIGH | Privilege Escalation vulnerability in EDR for Linux |
| CVE-2020-7291 | 7.8 HIGH | Privilege Escalation vulnerability MAR for Mac |
| CVE-2020-7290 | 7.8 HIGH | Privilege Escalation vulnerability in MAR for Linux |
IV. Related Vulnerabilities
Same vendor: McAfee,LLC
Same weakness: CWE-274
V. Comments for CVE-2020-7266
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