cnvd-2022-88272
Vulnerability from cnvd
Title
Insyde InsydeH2O权限提升漏洞
Description
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个C语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的BIOS（基本输入/输出系统）。 Insyde InsydeH2O存在权限提升漏洞，该漏洞源于其FvbServicesRuntimeDxe驱动程序出现SMM内存损坏问题，攻击者可利用漏洞将固定或可预测的数据写入SMRAM，导致权限升级到SMM。
Severity
中
Patch Name
Insyde InsydeH2O权限提升漏洞的补丁
Patch Description
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个C语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的BIOS（基本输入/输出系统）。 Insyde InsydeH2O存在权限提升漏洞，该漏洞源于其FvbServicesRuntimeDxe驱动程序出现SMM内存损坏问题，攻击者可利用漏洞将固定或可预测的数据写入SMRAM，导致权限升级到SMM。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://www.insyde.com/security-pledge/SA-2022035

Reference
https://www.insyde.com/security-pledge/SA-2022035
Impacted products
Name
['Insyde InsydeH2O >=5.0，<05.09.37', 'Insyde InsydeH2O >=5.1，<05.17.37', 'Insyde InsydeH2O >=5.2，<05.27.29', 'Insyde InsydeH2O >=5.3，<05.36.29', 'Insyde InsydeH2O >=5.4，<05.44.29', 'Insyde InsydeH2O >=5.5，<05.52.29']
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-35893",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-35893"
    }
  },
  "description": "Insyde InsydeH2O\u662f\u4e2d\u56fd\u53f0\u6e7e\u7cfb\u5fae\uff08Insyde\uff09\u516c\u53f8\u7684\u4e00\u4e2aC\u8bed\u8a00\u6e90\uff0c\u5b83\u5b9e\u73b0\u4e86\u65b0\u6280\u672f\u201cEFI/UEFI\u201d\u89c4\u8303\uff0c\u65e8\u5728\u53d6\u4ee3\u4f20\u7edf\u7684BIOS\uff08\u57fa\u672c\u8f93\u5165/\u8f93\u51fa\u7cfb\u7edf\uff09\u3002\n\nInsyde InsydeH2O\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176FvbServicesRuntimeDxe\u9a71\u52a8\u7a0b\u5e8f\u51fa\u73b0SMM\u5185\u5b58\u635f\u574f\u95ee\u9898\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5c06\u56fa\u5b9a\u6216\u53ef\u9884\u6d4b\u7684\u6570\u636e\u5199\u5165SMRAM\uff0c\u5bfc\u81f4\u6743\u9650\u5347\u7ea7\u5230SMM\u3002",
  "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://www.insyde.com/security-pledge/SA-2022035",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-88272",
  "openTime": "2022-12-16",
  "patchDescription": "Insyde InsydeH2O\u662f\u4e2d\u56fd\u53f0\u6e7e\u7cfb\u5fae\uff08Insyde\uff09\u516c\u53f8\u7684\u4e00\u4e2aC\u8bed\u8a00\u6e90\uff0c\u5b83\u5b9e\u73b0\u4e86\u65b0\u6280\u672f\u201cEFI/UEFI\u201d\u89c4\u8303\uff0c\u65e8\u5728\u53d6\u4ee3\u4f20\u7edf\u7684BIOS\uff08\u57fa\u672c\u8f93\u5165/\u8f93\u51fa\u7cfb\u7edf\uff09\u3002\r\n\r\nInsyde InsydeH2O\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176FvbServicesRuntimeDxe\u9a71\u52a8\u7a0b\u5e8f\u51fa\u73b0SMM\u5185\u5b58\u635f\u574f\u95ee\u9898\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5c06\u56fa\u5b9a\u6216\u53ef\u9884\u6d4b\u7684\u6570\u636e\u5199\u5165SMRAM\uff0c\u5bfc\u81f4\u6743\u9650\u5347\u7ea7\u5230SMM\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": "Insyde InsydeH2O\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Insyde InsydeH2O \u003e=5.0\uff0c\u003c05.09.37",
      "Insyde InsydeH2O \u003e=5.1\uff0c\u003c05.17.37",
      "Insyde InsydeH2O \u003e=5.2\uff0c\u003c05.27.29",
      "Insyde InsydeH2O \u003e=5.3\uff0c\u003c05.36.29",
      "Insyde InsydeH2O \u003e=5.4\uff0c\u003c05.44.29",
      "Insyde InsydeH2O \u003e=5.5\uff0c\u003c05.52.29"
    ]
  },
  "referenceLink": "https://www.insyde.com/security-pledge/SA-2022035",
  "serverity": "\u4e2d",
  "submitTime": "2022-09-28",
  "title": "Insyde InsydeH2O\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}


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