cnvd - cnvd-2019-03921

CNVD-2019-03921

Vulnerability from cnvd - Published: 2019-03-13

Title

Microsoft Windows Win32k提权漏洞

Description

Microsoft Windows 10等都是美国微软（Microsoft）公司发布的一系列操作系统。Win32k是其中的一套操作系统的32位环境。 Microsoft Win32k组件中存在提权漏洞，该漏洞源于程序未能正确处理内存中的对象，攻击者可利用该漏洞在内核模式中运行任意代码。

Severity

高

Patch Name

Microsoft Windows Win32k提权漏洞的补丁

Patch Description

Microsoft Windows 10等都是美国微软（Microsoft）公司发布的一系列操作系统。Win32k是其中的一套操作系统的32位环境。 Microsoft Win32k组件中存在提权漏洞，该漏洞源于程序未能正确处理内存中的对象，攻击者可利用该漏洞在内核模式中运行任意代码。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

厂商已发布了漏洞修复程序，请及时关注更新： https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639

Impacted products

Name
['Microsoft Windows Server 2008 R2 SP1', 'Microsoft Windows Server 2008 SP2', 'Microsoft Windows 7 SP1', 'Microsoft Windows Windows Server 2012', 'Microsoft Windows 8.1', 'Microsoft Windows RT 8.1 SP0', 'Microsoft Windows Server 2012 R2', 'Microsoft Windows 10', 'Microsoft Windows 10 1607', 'Microsoft Windows Server 2016', 'Microsoft Windows 10 1703', 'Microsoft Windows 10 1709', 'Microsoft Windows Server 1709', 'Microsoft Windows 10 1803', 'Microsoft Windows Server 1803', 'Microsoft Windows Server 2019', 'Microsoft Windows 10 1809']

Name

['Microsoft Windows Server 2008 R2 SP1', 'Microsoft Windows Server 2008 SP2', 'Microsoft Windows 7 SP1', 'Microsoft Windows Windows Server 2012', 'Microsoft Windows 8.1', 'Microsoft Windows RT 8.1 SP0', 'Microsoft Windows Server 2012 R2', 'Microsoft Windows 10', 'Microsoft Windows 10 1607', 'Microsoft Windows Server 2016', 'Microsoft Windows 10 1703', 'Microsoft Windows 10 1709', 'Microsoft Windows Server 1709', 'Microsoft Windows 10 1803', 'Microsoft Windows Server 1803', 'Microsoft Windows Server 2019', 'Microsoft Windows 10 1809']

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JSON

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    "cve": {
      "cveNumber": "CVE-2018-8639"
    }
  },
  "description": "Microsoft Windows 10\u7b49\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u53d1\u5e03\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\u3002Win32k\u662f\u5176\u4e2d\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u768432\u4f4d\u73af\u5883\u3002\n\nMicrosoft Win32k\u7ec4\u4ef6\u4e2d\u5b58\u5728\u63d0\u6743\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5185\u6838\u6a21\u5f0f\u4e2d\u8fd0\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "bear13oy",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639",
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  "number": "CNVD-2019-03921",
  "openTime": "2019-03-13",
  "patchDescription": "Microsoft Windows 10\u7b49\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u53d1\u5e03\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\u3002Win32k\u662f\u5176\u4e2d\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u768432\u4f4d\u73af\u5883\u3002\r\n\r\nMicrosoft Win32k\u7ec4\u4ef6\u4e2d\u5b58\u5728\u63d0\u6743\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5185\u6838\u6a21\u5f0f\u4e2d\u8fd0\u884c\u4efb\u610f\u4ee3\u7801\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",
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  "serverity": "\u9ad8",
  "submitTime": "2018-12-12",
  "title": "Microsoft Windows Win32k\u63d0\u6743\u6f0f\u6d1e"
}

CVE-2018-8639 (GCVE-0-2018-8639)

Vulnerability from cvelistv5 – Published: 2018-12-12 00:00 – Updated: 2025-10-21 23:45

Summary

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641.

Severity ?

8.4 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Elevation of Privilege
Information Disclosure

Assigner

microsoft

References

URL

Tags

	http://www.securityfocus.com/bid/106093	vdb-entryx_refsource_BID
	https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

Microsoft

Windows 7

Affected: 32-bit Systems Service Pack 1
Affected: x64-based Systems Service Pack 1

Microsoft	Windows Server 2012 R2	Affected: (Server Core installation)
Microsoft	Windows RT 8.1	Affected: Windows RT 8.1
Microsoft	Windows Server 2008	Affected: 32-bit Systems Service Pack 2 Affected: 32-bit Systems Service Pack 2 (Server Core installation) Affected: Itanium-Based Systems Service Pack 2 Affected: x64-based Systems Service Pack 2 Affected: x64-based Systems Service Pack 2 (Server Core installation)
Microsoft	Windows Server 2019	Affected: (Server Core installation)
Microsoft	Windows Server 2012	Affected: (Server Core installation)
Microsoft	Windows 8.1	Affected: 32-bit systems Affected: x64-based systems
Microsoft	Windows Server 2016	Affected: (Server Core installation)
Microsoft	Windows Server 2008 R2	Affected: Itanium-Based Systems Service Pack 1 Affected: x64-based Systems Service Pack 1 Affected: x64-based Systems Service Pack 1 (Server Core installation)
Microsoft	Windows 10	Affected: 32-bit Systems 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 ARM64-based Systems Affected: Version 1709 for x64-based Systems Affected: Version 1803 for 32-bit Systems Affected: Version 1803 for ARM64-based Systems Affected: Version 1803 for x64-based Systems Affected: Version 1809 for 32-bit Systems Affected: Version 1809 for ARM64-based Systems Affected: Version 1809 for x64-based Systems Affected: x64-based Systems
Microsoft	Windows 10 Servers	Affected: version 1709 (Server Core Installation) Affected: version 1803 (Server Core Installation)

Show details on NVD website

JSON

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            {
              "lang": "eng",
              "value": "An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Elevation of Privilege"
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Information Disclosure"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "106093",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/106093"
            },
            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639",
              "refsource": "CONFIRM",
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2018-8639",
    "datePublished": "2018-12-12T00:00:00.000Z",
    "dateReserved": "2018-03-14T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:45:46.009Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2019-03921

CVE-2018-8639 (GCVE-0-2018-8639)

Tags

Sightings

Nomenclature