cnvd-2018-07703
Vulnerability from cnvd
Title
FreeBSD拒绝服务漏洞（CNVD-2018-07703）
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。 FreeBSD中存在安全漏洞，该漏洞源于ipsec选项包头的length字段未能计算该选项包头的大小。远程攻击者可通过发送数据包利用该漏洞造成拒绝服务（无限循环和崩溃）。
Severity
中
Patch Name
FreeBSD拒绝服务漏洞（CNVD-2018-07703）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。 FreeBSD中存在安全漏洞，该漏洞源于ipsec选项包头的length字段未能计算该选项包头的大小。远程攻击者可通过发送数据包利用该漏洞造成拒绝服务（无限循环和崩溃）。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.freebsd.org/security/advisories/FreeBSD-SA-18:05.ipsec.asc

Reference
http://www.securityfocus.com/bid/103666
Impacted products
Name
['FreeBSD FreeBSD <11.1-STABLE', 'FreeBSD FreeBSD <10.4-STABLE', 'FreeBSD FreeBSD <10.3-RELEASE-p28', 'FreeBSD FreeBSD <11.1-RELEASE-p9', 'FreeBSD FreeBSD <10.4-RELEASE-p8']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6918"
    }
  },
  "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\u3002\r\n\r\nFreeBSD\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eipsec\u9009\u9879\u5305\u5934\u7684length\u5b57\u6bb5\u672a\u80fd\u8ba1\u7b97\u8be5\u9009\u9879\u5305\u5934\u7684\u5927\u5c0f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\u548c\u5d29\u6e83\uff09\u3002",
  "discovererName": "Maxime Villard",
  "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.freebsd.org/security/advisories/FreeBSD-SA-18:05.ipsec.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-07703",
  "openTime": "2018-04-16",
  "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\u3002\r\n\r\nFreeBSD\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eipsec\u9009\u9879\u5305\u5934\u7684length\u5b57\u6bb5\u672a\u80fd\u8ba1\u7b97\u8be5\u9009\u9879\u5305\u5934\u7684\u5927\u5c0f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\u548c\u5d29\u6e83\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-07703\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD FreeBSD \u003c11.1-STABLE",
      "FreeBSD FreeBSD \u003c10.4-STABLE",
      "FreeBSD FreeBSD \u003c10.3-RELEASE-p28",
      "FreeBSD FreeBSD \u003c11.1-RELEASE-p9",
      "FreeBSD FreeBSD \u003c10.4-RELEASE-p8"
    ]
  },
  "referenceLink": "http://www.securityfocus.com/bid/103666",
  "serverity": "\u4e2d",
  "submitTime": "2018-04-09",
  "title": "FreeBSD\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-07703\uff09"
}


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