cnvd-2017-21024
Vulnerability from cnvd
Title
NTP 'ntp-keygen.c'可预测随机数生成漏洞
Description
NTP（Network Time Protocol，网络时间协议）是一款通过网络同步计算机时钟的协议。 NTP中存在可预测随机数生成漏洞。攻击者可利用该漏洞猜测出MD5密钥，欺骗客户端或服务器。
Severity
中
Patch Name
NTP 'ntp-keygen.c'可预测随机数生成漏洞的补丁
Patch Description
NTP（Network Time Protocol，网络时间协议）是一款通过网络同步计算机时钟的协议。 NTP中存在可预测随机数生成漏洞。攻击者可利用该漏洞猜测出MD5密钥，欺骗客户端或服务器。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://bugs.ntp.org/show_bug.cgi?id=2797

Reference
http://www.securityfocus.com/bid/74045
Impacted products
Name
Ntp Ntp
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "74045"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-3405",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3405"
    }
  },
  "description": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u662f\u4e00\u6b3e\u901a\u8fc7\u7f51\u7edc\u540c\u6b65\u8ba1\u7b97\u673a\u65f6\u949f\u7684\u534f\u8bae\u3002\r\n\r\nNTP\u4e2d\u5b58\u5728\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u731c\u6d4b\u51faMD5\u5bc6\u94a5\uff0c\u6b3a\u9a97\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u3002",
  "discovererName": "Martin Prpic",
  "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://bugs.ntp.org/show_bug.cgi?id=2797",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-21024",
  "openTime": "2017-08-15",
  "patchDescription": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u662f\u4e00\u6b3e\u901a\u8fc7\u7f51\u7edc\u540c\u6b65\u8ba1\u7b97\u673a\u65f6\u949f\u7684\u534f\u8bae\u3002\r\n\r\nNTP\u4e2d\u5b58\u5728\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u731c\u6d4b\u51faMD5\u5bc6\u94a5\uff0c\u6b3a\u9a97\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\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": "NTP \u0027ntp-keygen.c\u0027\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ntp Ntp"
  },
  "referenceLink": "http://www.securityfocus.com/bid/74045",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-11",
  "title": "NTP \u0027ntp-keygen.c\u0027\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e"
}


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