cnvd-2016-03379
Vulnerability from cnvd
Title
FreeBSD atkbd模块缓冲区溢出漏洞
Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。atkbd是其中的一个提供了用于访问到AT84键盘或连接到AT增强型键盘的驱动模块。 FreeBSD的atkbd模块中的ioctl处理程序中存在安全漏洞，该漏洞源于程序未能正确执行符号匹配。本地攻击者可利用该漏洞覆盖内核内存。
Severity
中
Patch Name
FreeBSD atkbd模块缓冲区溢出漏洞的补丁
Patch Description
FreeBSD是由Core Team团队负责的FreeBSD项目中的一套类Unix自由操作系统，是经过BSD、386BSD和4.4BSD发展而来的类Unix的一个重要分支。atkbd是其中的一个提供了用于访问到AT84键盘或连接到AT增强型键盘的驱动模块。 FreeBSD的atkbd模块中的ioctl处理程序中存在安全漏洞，该漏洞源于程序未能正确执行符号匹配。本地攻击者可利用该漏洞覆盖内核内存。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc

Reference
https://www.auscert.org.au/render.html?it=34738 https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc
Impacted products
Name
FreeBSD FreeBSD
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1886"
    }
  },
  "description": "FreeBSD\u662f\u7531Core Team\u56e2\u961f\u8d1f\u8d23\u7684FreeBSD\u9879\u76ee\u4e2d\u7684\u4e00\u5957\u7c7bUnix\u81ea\u7531\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u7ecf\u8fc7BSD\u3001386BSD\u548c4.4BSD\u53d1\u5c55\u800c\u6765\u7684\u7c7bUnix\u7684\u4e00\u4e2a\u91cd\u8981\u5206\u652f\u3002atkbd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u63d0\u4f9b\u4e86\u7528\u4e8e\u8bbf\u95ee\u5230AT84\u952e\u76d8\u6216\u8fde\u63a5\u5230AT\u589e\u5f3a\u578b\u952e\u76d8\u7684\u9a71\u52a8\u6a21\u5757\u3002\r\n\r\nFreeBSD\u7684atkbd\u6a21\u5757\u4e2d\u7684ioctl\u5904\u7406\u7a0b\u5e8f\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u6267\u884c\u7b26\u53f7\u5339\u914d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u5185\u6838\u5185\u5b58\u3002",
  "discovererName": "CTurt and the HardenedBSD team",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03379",
  "openTime": "2016-05-20",
  "patchDescription": "FreeBSD\u662f\u7531Core Team\u56e2\u961f\u8d1f\u8d23\u7684FreeBSD\u9879\u76ee\u4e2d\u7684\u4e00\u5957\u7c7bUnix\u81ea\u7531\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u7ecf\u8fc7BSD\u3001386BSD\u548c4.4BSD\u53d1\u5c55\u800c\u6765\u7684\u7c7bUnix\u7684\u4e00\u4e2a\u91cd\u8981\u5206\u652f\u3002atkbd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u63d0\u4f9b\u4e86\u7528\u4e8e\u8bbf\u95ee\u5230AT84\u952e\u76d8\u6216\u8fde\u63a5\u5230AT\u589e\u5f3a\u578b\u952e\u76d8\u7684\u9a71\u52a8\u6a21\u5757\u3002\r\n\r\nFreeBSD\u7684atkbd\u6a21\u5757\u4e2d\u7684ioctl\u5904\u7406\u7a0b\u5e8f\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u6267\u884c\u7b26\u53f7\u5339\u914d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u5185\u6838\u5185\u5b58\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": "FreeBSD atkbd\u6a21\u5757\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD FreeBSD"
  },
  "referenceLink": "https://www.auscert.org.au/render.html?it=34738\r\nhttps://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc",
  "serverity": "\u4e2d",
  "submitTime": "2016-05-19",
  "title": "FreeBSD atkbd\u6a21\u5757\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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