CNVD-2015-00285

Vulnerability from cnvd - Published: 2015-01-14
VLAI Severity ?
Title
多个产品UEFI系统本地安全绕过漏洞
Description
UEFI是一种详细描述类型接口的标准。这种接口用于操作系统自动从预启动的操作环境,加载到一种操作系统上。 多个产品UEFI系统存在本地安全绕过漏洞，在UEFI S3恢复路径期间，引导脚本用于重初始化平台，脚本会指示各种内存和端口读/写操作来推动该重初始化。 部分系统引导脚本驻留在未保护内存中，攻击者可访问物理内存来篡改该脚本，通过验证的本地攻击者可绕过Secure boot并执行平台固件的任意重刷操作。
Severity
中
Patch Name
多个产品UEFI系统本地安全绕过漏洞的补丁
Patch Description
UEFI是一种详细描述类型接口的标准。这种接口用于操作系统自动从预启动的操作环境,加载到一种操作系统上。 多个产品UEFI系统存在本地安全绕过漏洞，在UEFI S3恢复路径期间，引导脚本用于重初始化平台，脚本会指示各种内存和端口读/写操作来推动该重初始化。 部分系统引导脚本驻留在未保护内存中，攻击者可访问物理内存来篡改该脚本，通过验证的本地攻击者可绕过Secure boot并执行平台固件的任意重刷操作。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

用户可以联系供应商获得补丁信息： http://www.intel.com/content/www/us/en/architecture-and-technology/unified-extensible-firmware-interface/efi-boot-script-specification-v091.html

Reference
http://www.kb.cert.org/vuls/id/976132 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8274
Impacted products
Name
Intel UEFI systems
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "71873"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-8274"
    }
  },
  "description": "UEFI\u662f\u4e00\u79cd\u8be6\u7ec6\u63cf\u8ff0\u7c7b\u578b\u63a5\u53e3\u7684\u6807\u51c6\u3002\u8fd9\u79cd\u63a5\u53e3\u7528\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u4ece\u9884\u542f\u52a8\u7684\u64cd\u4f5c\u73af\u5883,\u52a0\u8f7d\u5230\u4e00\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u3002\r\n\r\n\u591a\u4e2a\u4ea7\u54c1UEFI\u7cfb\u7edf\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5728UEFI S3\u6062\u590d\u8def\u5f84\u671f\u95f4\uff0c\u5f15\u5bfc\u811a\u672c\u7528\u4e8e\u91cd\u521d\u59cb\u5316\u5e73\u53f0\uff0c\u811a\u672c\u4f1a\u6307\u793a\u5404\u79cd\u5185\u5b58\u548c\u7aef\u53e3\u8bfb/\u5199\u64cd\u4f5c\u6765\u63a8\u52a8\u8be5\u91cd\u521d\u59cb\u5316\u3002\r\n\u90e8\u5206\u7cfb\u7edf\u5f15\u5bfc\u811a\u672c\u9a7b\u7559\u5728\u672a\u4fdd\u62a4\u5185\u5b58\u4e2d\uff0c\u653b\u51fb\u8005\u53ef\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u6765\u7be1\u6539\u8be5\u811a\u672c\uff0c\u901a\u8fc7\u9a8c\u8bc1\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u7ed5\u8fc7Secure boot\u5e76\u6267\u884c\u5e73\u53f0\u56fa\u4ef6\u7684\u4efb\u610f\u91cd\u5237\u64cd\u4f5c\u3002",
  "discovererName": "Rafal Wojtczuk, and Corey Kallenberg",
  "formalWay": "\u7528\u6237\u53ef\u4ee5\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.intel.com/content/www/us/en/architecture-and-technology/unified-extensible-firmware-interface/efi-boot-script-specification-v091.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00285",
  "openTime": "2015-01-14",
  "patchDescription": "UEFI\u662f\u4e00\u79cd\u8be6\u7ec6\u63cf\u8ff0\u7c7b\u578b\u63a5\u53e3\u7684\u6807\u51c6\u3002\u8fd9\u79cd\u63a5\u53e3\u7528\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u4ece\u9884\u542f\u52a8\u7684\u64cd\u4f5c\u73af\u5883,\u52a0\u8f7d\u5230\u4e00\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u3002\r\n\r\n\u591a\u4e2a\u4ea7\u54c1UEFI\u7cfb\u7edf\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5728UEFI S3\u6062\u590d\u8def\u5f84\u671f\u95f4\uff0c\u5f15\u5bfc\u811a\u672c\u7528\u4e8e\u91cd\u521d\u59cb\u5316\u5e73\u53f0\uff0c\u811a\u672c\u4f1a\u6307\u793a\u5404\u79cd\u5185\u5b58\u548c\u7aef\u53e3\u8bfb/\u5199\u64cd\u4f5c\u6765\u63a8\u52a8\u8be5\u91cd\u521d\u59cb\u5316\u3002\r\n\u90e8\u5206\u7cfb\u7edf\u5f15\u5bfc\u811a\u672c\u9a7b\u7559\u5728\u672a\u4fdd\u62a4\u5185\u5b58\u4e2d\uff0c\u653b\u51fb\u8005\u53ef\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u6765\u7be1\u6539\u8be5\u811a\u672c\uff0c\u901a\u8fc7\u9a8c\u8bc1\u7684\u672c\u5730\u653b\u51fb\u8005\u53ef\u7ed5\u8fc7Secure boot\u5e76\u6267\u884c\u5e73\u53f0\u56fa\u4ef6\u7684\u4efb\u610f\u91cd\u5237\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": "\u591a\u4e2a\u4ea7\u54c1UEFI\u7cfb\u7edf\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Intel UEFI systems"
  },
  "referenceLink": "http://www.kb.cert.org/vuls/id/976132\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-8274",
  "serverity": "\u4e2d",
  "submitTime": "2015-01-09",
  "title": "\u591a\u4e2a\u4ea7\u54c1UEFI\u7cfb\u7edf\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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