cnvd-2016-02670
Vulnerability from cnvd
Title
ntpd拒绝服务漏洞
Description
ntpd（Network Time Protocol daemon）是一个操作系统守护进程，它使用网络时间协议（NTP）与时间服务器的系统时间保持同步。 ntpd 4.2.8p7之前4.x版本和4.3.92之前4.3版本中存在安全漏洞，该漏洞源于程序未能检查‘ctl_getitem()’函数的返回值。攻击者可借助较大的值利用该漏洞造成拒绝服务（异常终止）。
Severity
中
Patch Name
ntpd拒绝服务漏洞的补丁
Patch Description
ntpd（Network Time Protocol daemon）是一个操作系统守护进程，它使用网络时间协议（NTP）与时间服务器的系统时间保持同步。 ntpd 4.2.8p7之前4.x版本和4.3.92之前4.3版本中存在安全漏洞，该漏洞源于程序未能检查‘ctl_getitem()’函数的返回值。攻击者可借助较大的值利用该漏洞造成拒绝服务（异常终止）。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： http://support.ntp.org/bin/view/Main/NtpBug3008

Reference
http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security http://support.ntp.org/bin/view/Main/NtpBug3008 http://www.kb.cert.org/vuls/id/718152
Impacted products
Name
['Ntp NTPd 4.x<4.2.8p7', 'Ntp NTPd >4.3，<4.3.92']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2519"
    }
  },
  "description": "ntpd\uff08Network Time Protocol daemon\uff09\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff08NTP\uff09\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd 4.2.8p7\u4e4b\u524d4.x\u7248\u672c\u548c4.3.92\u4e4b\u524d4.3\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u2018ctl_getitem()\u2019\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u5927\u7684\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5f02\u5e38\u7ec8\u6b62\uff09\u3002",
  "discovererName": "Cisco TALOS",
  "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\nhttp://support.ntp.org/bin/view/Main/NtpBug3008",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02670",
  "openTime": "2016-05-03",
  "patchDescription": "ntpd\uff08Network Time Protocol daemon\uff09\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff08NTP\uff09\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd 4.2.8p7\u4e4b\u524d4.x\u7248\u672c\u548c4.3.92\u4e4b\u524d4.3\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u2018ctl_getitem()\u2019\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8f83\u5927\u7684\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5f02\u5e38\u7ec8\u6b62\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": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Ntp NTPd 4.x\u003c4.2.8p7",
      "Ntp NTPd \u003e4.3\uff0c\u003c4.3.92"
    ]
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security\r\nhttp://support.ntp.org/bin/view/Main/NtpBug3008\r\nhttp://www.kb.cert.org/vuls/id/718152",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-28",
  "title": "ntpd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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