cnvd - cnvd-2018-20742

cnvd-2018-20742

Vulnerability from cnvd

Title: Microsoft Windows Device Guard本地安全绕过漏洞（CNVD-2018-20742）

Description:

Microsoft Windows是美国微软（Microsoft）公司发布的一系列操作系统。Device Guard是其中的一个设备保护组件。

Microsoft Windows Device Guard存在本地安全绕过漏洞。攻击者可通过访问本地设备并注入恶意的脚本利用该漏洞绕过Device Guard代码完整性策略。

Severity: 低

Patch Name: Microsoft Windows Device Guard本地安全绕过漏洞（CNVD-2018-20742）的补丁

Patch Description:

Microsoft Windows是美国微软（Microsoft）公司发布的一系列操作系统。Device Guard是其中的一个设备保护组件。

Microsoft Windows Device Guard存在本地安全绕过漏洞。攻击者可通过访问本地设备并注入恶意的脚本利用该漏洞绕过Device Guard代码完整性策略。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2018-8492

Reference: https://www.securityfocus.com/bid/105455 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8492

Impacted products

Name
['Microsoft Windows 10 1607', 'Microsoft Windows Server 2016', 'Microsoft Windows 10 1703', 'Microsoft Windows 10 1709', 'Microsoft Windows Server 1709', 'Microsoft Windows Server 1803', 'Microsoft Windows Server 1803', 'Microsoft Windows Server 2019']

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{
  "bids": {
    "bid": {
      "bidNumber": "105455"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-8492"
    }
  },
  "description": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u53d1\u5e03\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\u3002Device Guard\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8bbe\u5907\u4fdd\u62a4\u7ec4\u4ef6\u3002\r\n\r\nMicrosoft Windows Device Guard\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bbf\u95ee\u672c\u5730\u8bbe\u5907\u5e76\u6ce8\u5165\u6076\u610f\u7684\u811a\u672c\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Device Guard\u4ee3\u7801\u5b8c\u6574\u6027\u7b56\u7565\u3002",
  "discovererName": "Jimmy Bayne (@bohops)",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2018-8492",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20742",
  "openTime": "2018-10-12",
  "patchDescription": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u53d1\u5e03\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\u3002Device Guard\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8bbe\u5907\u4fdd\u62a4\u7ec4\u4ef6\u3002\r\n\r\nMicrosoft Windows Device Guard\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bbf\u95ee\u672c\u5730\u8bbe\u5907\u5e76\u6ce8\u5165\u6076\u610f\u7684\u811a\u672c\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Device Guard\u4ee3\u7801\u5b8c\u6574\u6027\u7b56\u7565\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Microsoft Windows Device Guard\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2018-20742\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows 10 1607",
      "Microsoft Windows Server 2016",
      "Microsoft Windows 10 1703",
      "Microsoft Windows 10 1709",
      "Microsoft Windows Server 1709",
      "Microsoft Windows Server 1803",
      "Microsoft Windows Server 1803",
      "Microsoft Windows Server 2019"
    ]
  },
  "referenceLink": "https://www.securityfocus.com/bid/105455\r\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8492",
  "serverity": "\u4f4e",
  "submitTime": "2018-10-10",
  "title": "Microsoft Windows Device Guard\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2018-20742\uff09"
}

CVE-2018-8492 (GCVE-0-2018-8492)

Vulnerability from cvelistv5

Published

2018-10-10 13:00

Modified

2024-08-05 06:54

Severity ?

CWE

Security Feature Bypass

Summary

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/105455	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1041842	vdb-entry, x_refsource_SECTRACK
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8492	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

Microsoft

Windows Server 2016

Version: (Server Core installation)

Microsoft	Windows 10	Version: Version 1607 for 32-bit Systems Version: Version 1607 for x64-based Systems Version: Version 1703 for 32-bit Systems Version: Version 1703 for x64-based Systems Version: Version 1709 for 32-bit Systems Version: Version 1709 for x64-based Systems Version: Version 1803 for 32-bit Systems Version: Version 1803 for x64-based Systems Version: Version 1809 for 32-bit Systems Version: Version 1809 for x64-based Systems
Microsoft	Windows Server 2019	Version: (Server Core installation)
Microsoft	Windows 10 Servers	Version: version 1709 (Server Core Installation) Version: version 1803 (Server Core Installation)

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JSON

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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