CNVD-2021-08824

Vulnerability from cnvd - Published: 2021-02-02
VLAI Severity ?
Title
Microsoft Excel远程代码执行漏洞（CNVD-2021-08824）
Description
Microsoft Excel是一款Office套件中的文字处理软件。 Microsoft Excel处理内存对象存在安全漏洞，允许远程攻击者利用漏洞提交特殊的文件请求，诱使用户解析，可使应用程序崩溃或者以应用程序上下文执行任意代码。
Severity
中
Patch Name
Microsoft Excel远程代码执行漏洞（CNVD-2021-08824）的补丁
Patch Description
Microsoft Excel是一款Office套件中的文字处理软件。 Microsoft Excel处理内存对象存在安全漏洞，允许远程攻击者利用漏洞提交特殊的文件请求，诱使用户解析，可使应用程序崩溃或者以应用程序上下文执行任意代码。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16929

Reference
https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16929
Impacted products
Name
['Microsoft Office Web Apps 2010 SP2', 'Microsoft Excel 2010 SP2', 'Microsoft SharePoint Server 2010 SP2', 'Microsoft Office 2010 SP2', 'Microsoft Office 2013 SP1', 'Microsoft Excel 2013 SP1', 'Microsoft Office Web Apps 2013 SP1', 'Microsoft Office 2016', 'Microsoft Excel 2016', 'Microsoft Office Online Server', 'Microsoft SharePoint Enterprise Server 2013 SP1', 'Microsoft Office 2019', 'Microsoft Excel 2013 RT SP1', 'Microsoft Office 2013 RT SP1', 'Microsoft 365 Apps', 'Microsoft Excel Web App 2010 SP2']
Show details on source website
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-16929",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-16929"
    }
  },
  "description": "Microsoft Excel\u662f\u4e00\u6b3eOffice\u5957\u4ef6\u4e2d\u7684\u6587\u5b57\u5904\u7406\u8f6f\u4ef6\u3002\n\nMicrosoft Excel\u5904\u7406\u5185\u5b58\u5bf9\u8c61\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u6587\u4ef6\u8bf7\u6c42\uff0c\u8bf1\u4f7f\u7528\u6237\u89e3\u6790\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u6216\u8005\u4ee5\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16929",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-08824",
  "openTime": "2021-02-02",
  "patchDescription": "Microsoft Excel\u662f\u4e00\u6b3eOffice\u5957\u4ef6\u4e2d\u7684\u6587\u5b57\u5904\u7406\u8f6f\u4ef6\u3002\r\n\r\nMicrosoft Excel\u5904\u7406\u5185\u5b58\u5bf9\u8c61\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u6587\u4ef6\u8bf7\u6c42\uff0c\u8bf1\u4f7f\u7528\u6237\u89e3\u6790\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u6216\u8005\u4ee5\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u6267\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",
  "patchName": "Microsoft Excel\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-08824\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Office Web Apps 2010 SP2",
      "Microsoft Excel 2010 SP2",
      "Microsoft SharePoint Server 2010 SP2",
      "Microsoft Office 2010 SP2",
      "Microsoft Office 2013 SP1",
      "Microsoft Excel 2013 SP1",
      "Microsoft Office Web Apps 2013 SP1",
      "Microsoft Office 2016",
      "Microsoft Excel 2016",
      "Microsoft Office Online Server",
      "Microsoft SharePoint Enterprise Server 2013 SP1",
      "Microsoft Office 2019",
      "Microsoft Excel 2013 RT SP1",
      "Microsoft Office 2013 RT SP1",
      "Microsoft 365 Apps",
      "Microsoft Excel Web App 2010 SP2"
    ]
  },
  "referenceLink": "https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-16929",
  "serverity": "\u4e2d",
  "submitTime": "2020-10-19",
  "title": "Microsoft Excel\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-08824\uff09"
}


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Sightings

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  • 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.