cnvd - cnvd-2018-26991

cnvd-2018-26991

Vulnerability from cnvd

Title: Microsoft Windows Hyper-V远程拒绝服务漏洞（CNVD-2018-26991）

Description:

Microsoft Windows 10和Windows Server Version 1803都是美国微软（Microsoft）公司的产品。Microsoft Windows 10是一套跨平台操作系统，它适用于PC和笔记本电脑、平板电脑以及手机等设备。Windows Server Version 1803是一套服务器操作系统。

Microsoft Hyper-V中存在拒绝服务漏洞，该漏洞源于Microsoft Hyper-V网络交换机无法正确验证来宾操作系统上的特权用户的输入。攻击者可利用该漏洞造成拒绝服务（主机服务器崩溃）。

Severity: 中

Patch Name: Microsoft Windows Hyper-V远程拒绝服务漏洞（CNVD-2018-26991）的补丁

Patch Description:

Microsoft Hyper-V中存在拒绝服务漏洞，该漏洞源于Microsoft Hyper-V网络交换机无法正确验证来宾操作系统上的特权用户的输入。攻击者可利用该漏洞造成拒绝服务（主机服务器崩溃）。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/en-US/security-guidance/advisory/CVE-2018-8436

Reference: https://www.securityfocus.com/bid/105236 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8436

Impacted products

Name
['Microsoft Windows 10 1803', 'Microsoft Windows Server 1803']

Show details on source website

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{
  "bids": {
    "bid": {
      "bidNumber": "105236"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-8436"
    }
  },
  "description": "Microsoft Windows 10\u548cWindows Server Version 1803\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows 10\u662f\u4e00\u5957\u8de8\u5e73\u53f0\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u9002\u7528\u4e8ePC\u548c\u7b14\u8bb0\u672c\u7535\u8111\u3001\u5e73\u677f\u7535\u8111\u4ee5\u53ca\u624b\u673a\u7b49\u8bbe\u5907\u3002Windows Server Version 1803\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nMicrosoft Hyper-V\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eMicrosoft Hyper-V\u7f51\u7edc\u4ea4\u6362\u673a\u65e0\u6cd5\u6b63\u786e\u9a8c\u8bc1\u6765\u5bbe\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u7279\u6743\u7528\u6237\u7684\u8f93\u5165\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e3b\u673a\u670d\u52a1\u5668\u5d29\u6e83\uff09\u3002",
  "discovererName": "Peter Hlavaty (@zer0mem), KeenLab at Tencent",
  "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/en-US/security-guidance/advisory/CVE-2018-8436",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-26991",
  "openTime": "2018-12-29",
  "patchDescription": "Microsoft Windows 10\u548cWindows Server Version 1803\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows 10\u662f\u4e00\u5957\u8de8\u5e73\u53f0\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u9002\u7528\u4e8ePC\u548c\u7b14\u8bb0\u672c\u7535\u8111\u3001\u5e73\u677f\u7535\u8111\u4ee5\u53ca\u624b\u673a\u7b49\u8bbe\u5907\u3002Windows Server Version 1803\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nMicrosoft Hyper-V\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eMicrosoft Hyper-V\u7f51\u7edc\u4ea4\u6362\u673a\u65e0\u6cd5\u6b63\u786e\u9a8c\u8bc1\u6765\u5bbe\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u7279\u6743\u7528\u6237\u7684\u8f93\u5165\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e3b\u673a\u670d\u52a1\u5668\u5d29\u6e83\uff09\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 Hyper-V\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-26991\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows 10 1803",
      "Microsoft Windows Server 1803"
    ]
  },
  "referenceLink": "https://www.securityfocus.com/bid/105236\r\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8436",
  "serverity": "\u4e2d",
  "submitTime": "2018-09-12",
  "title": "Microsoft Windows Hyper-V\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-26991\uff09"
}

CVE-2018-8436 (GCVE-0-2018-8436)

Vulnerability from cvelistv5

Published

2018-09-13 00:00

Modified

2024-08-05 06:54

Severity ?

CWE

Denial of Service

Summary

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/105236	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1041624	vdb-entry, x_refsource_SECTRACK
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8436	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

Microsoft

Windows 10

Version: Version 1803 for x64-based Systems

Microsoft

Windows 10 Servers

Version: version 1803 (Server Core Installation)

Show details on NVD website

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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