cnvd - cnvd-2018-20742

CNVD-2018-20742

Vulnerability from cnvd - Published: 2018-10-12

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

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 – Updated: 2024-08-05 06:54

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.

Severity ?

No CVSS data available.

CWE

Security Feature Bypass

Assigner

microsoft

References

URL

Tags

	http://www.securityfocus.com/bid/105455	vdb-entryx_refsource_BID
	http://www.securitytracker.com/id/1041842	vdb-entryx_refsource_SECTRACK
	https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

Microsoft

Windows Server 2016

Affected: (Server Core installation)

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

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2018-20742

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

Tags

Sightings

Nomenclature