cnvd - cnvd-2018-00897

cnvd-2018-00897

Vulnerability from cnvd

Title: Microsoft .NET Framework和.NET Core安全绕过漏洞

Description:

Microsoft .NET Framework和.NET Core都是美国微软（Microsoft）公司的产品。Microsoft .NET Framework是一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。.NET Core是一套免费的开源开发平台。该平台具有多语言支持和跨平台等特点。

Microsoft .NET Framework和.NET Core中存在安全绕过漏洞，该漏洞源于程序未能充分的验证证书。攻击者可借助无效的证书利用该漏洞绕过安全限制，执行未授权的操作。

Severity: 中

Patch Name: Microsoft .NET Framework和.NET Core安全绕过漏洞的补丁

Patch Description:

Microsoft .NET Framework和.NET Core中存在安全绕过漏洞，该漏洞源于程序未能充分的验证证书。攻击者可借助无效的证书利用该漏洞绕过安全限制，执行未授权的操作。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-2018-0786

Reference: https://www.securityfocus.com/bid/102380

Impacted products

Name
['Microsoft .NET Framework 4.5', 'Microsoft .NET Framework 4', 'Microsoft .NET Framework 3.5.1', 'Microsoft .Net Framework 3.5', 'Microsoft .Net Framework 3.0', 'Microsoft .Net Framework 2.0', 'Microsoft .Net Framework 1.1', 'Microsoft .NET Framework 4.5.1', 'Microsoft .Net Framework 4.5.2', 'Microsoft .NET Framework 4.6', 'Microsoft .Net Framework 4.6.1', 'Microsoft .NET Framework 4.6.2', 'Microsoft .NET Framework 4.7', 'Microsoft ASP.NET Core 1.0', 'Microsoft ASP.NET Core 1.1', 'Microsoft ASP.NET Core 2.0']

Name

['Microsoft .NET Framework 4.5', 'Microsoft .NET Framework 4', 'Microsoft .NET Framework 3.5.1', 'Microsoft .Net Framework 3.5', 'Microsoft .Net Framework 3.0', 'Microsoft .Net Framework 2.0', 'Microsoft .Net Framework 1.1', 'Microsoft .NET Framework 4.5.1', 'Microsoft .Net Framework 4.5.2', 'Microsoft .NET Framework 4.6', 'Microsoft .Net Framework 4.6.1', 'Microsoft .NET Framework 4.6.2', 'Microsoft .NET Framework 4.7', 'Microsoft ASP.NET Core 1.0', 'Microsoft ASP.NET Core 1.1', 'Microsoft ASP.NET Core 2.0']

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{
  "bids": {
    "bid": {
      "bidNumber": "102380"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0786"
    }
  },
  "description": "Microsoft .NET Framework\u548c.NET Core\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft .NET Framework\u662f\u4e00\u79cd\u5168\u9762\u4e14\u4e00\u81f4\u7684\u7f16\u7a0b\u6a21\u578b\uff0c\u4e5f\u662f\u4e00\u4e2a\u7528\u4e8e\u6784\u5efaWindows\u3001Windows Store\u3001Windows Phone\u3001Windows Server\u548cMicrosoft Azure\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u5e73\u53f0\u3002.NET Core\u662f\u4e00\u5957\u514d\u8d39\u7684\u5f00\u6e90\u5f00\u53d1\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u5177\u6709\u591a\u8bed\u8a00\u652f\u6301\u548c\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nMicrosoft .NET Framework\u548c.NET Core\u4e2d\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u7684\u9a8c\u8bc1\u8bc1\u4e66\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u65e0\u6548\u7684\u8bc1\u4e66\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Microsoft",
  "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-2018-0786",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-00897",
  "openTime": "2018-01-15",
  "patchDescription": "Microsoft .NET Framework\u548c.NET Core\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft .NET Framework\u662f\u4e00\u79cd\u5168\u9762\u4e14\u4e00\u81f4\u7684\u7f16\u7a0b\u6a21\u578b\uff0c\u4e5f\u662f\u4e00\u4e2a\u7528\u4e8e\u6784\u5efaWindows\u3001Windows Store\u3001Windows Phone\u3001Windows Server\u548cMicrosoft Azure\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u5e73\u53f0\u3002.NET Core\u662f\u4e00\u5957\u514d\u8d39\u7684\u5f00\u6e90\u5f00\u53d1\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u5177\u6709\u591a\u8bed\u8a00\u652f\u6301\u548c\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nMicrosoft .NET Framework\u548c.NET Core\u4e2d\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u7684\u9a8c\u8bc1\u8bc1\u4e66\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u65e0\u6548\u7684\u8bc1\u4e66\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\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 .NET Framework\u548c.NET Core\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft .NET Framework 4.5",
      "Microsoft .NET Framework 4",
      "Microsoft .NET Framework 3.5.1",
      "Microsoft .Net Framework 3.5",
      "Microsoft .Net Framework 3.0",
      "Microsoft .Net Framework 2.0",
      "Microsoft .Net Framework 1.1",
      "Microsoft .NET Framework 4.5.1",
      "Microsoft .Net Framework 4.5.2",
      "Microsoft .NET Framework 4.6",
      "Microsoft .Net Framework 4.6.1",
      "Microsoft .NET Framework 4.6.2",
      "Microsoft .NET Framework 4.7",
      "Microsoft ASP.NET Core 1.0",
      "Microsoft ASP.NET Core 1.1",
      "Microsoft ASP.NET Core 2.0"
    ]
  },
  "referenceLink": "https://www.securityfocus.com/bid/102380",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-10",
  "title": "Microsoft .NET Framework\u548c.NET Core\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2018-0786 (GCVE-0-2018-0786)

Vulnerability from cvelistv5

Published

2018-01-10 01:00

Modified

2024-09-16 23:25

Severity ?

CWE

Security Feature Bypass

Summary

Microsoft .NET Framework 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, .NET Core 1.0 and 2.0, and PowerShell Core 6.0.0 allow a security feature bypass vulnerability due to the way certificates are validated, aka ".NET Security Feature Bypass Vulnerability."

References

▼	URL	Tags
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0786	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/102380	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1040152	vdb-entry, x_refsource_SECTRACK

Impacted products

	Vendor	Product	Version
	Microsoft Corporation	.NET Framework, .NET Core, and PowerShell Core	Version: Microsoft .NET Framework 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, .NET Core 1.0 and 2.0, PowerShell Core 6.0.0

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:35:49.325Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
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              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0786"
          },
          {
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            "tags": [
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              "x_refsource_BID",
              "x_transferred"
            ],
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          },
          {
            "name": "1040152",
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              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1040152"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": ".NET Framework, .NET Core, and PowerShell Core",
          "vendor": "Microsoft Corporation",
          "versions": [
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              "status": "affected",
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            }
          ]
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      ],
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        }
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      "providerMetadata": {
        "dateUpdated": "2018-03-27T17:57:01",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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        },
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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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