cnvd-2016-00791
Vulnerability from cnvd

Title: NTP时间戳绕过漏洞

Description:

NTP是一种以数据包交换把两台电脑的时钟同步化的网络协议。

NTP存在安全漏洞,允许本地攻击者可发送带有值为零的时间戳的数据包实施中间人攻击,绕过源时间戳限制。

Severity:

Patch Name: NTP时间戳绕过漏洞的补丁

Patch Description:

NTP是一种以数据包交换把两台电脑的时钟同步化的网络协议。

NTP存在安全漏洞,允许本地攻击者可发送带有值为零的时间戳的数据包实施中间人攻击,绕过源时间戳限制。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞: http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit

Reference: http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit

Impacted products
Name
Ntp Ntp
Show details on source website


{
  "bids": {
    "bid": {
      "bidNumber": "81811"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8138"
    }
  },
  "description": "NTP\u662f\u4e00\u79cd\u4ee5\u6570\u636e\u5305\u4ea4\u6362\u628a\u4e24\u53f0\u7535\u8111\u7684\u65f6\u949f\u540c\u6b65\u5316\u7684\u7f51\u7edc\u534f\u8bae\u3002\r\n\r\nNTP\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u53d1\u9001\u5e26\u6709\u503c\u4e3a\u96f6\u7684\u65f6\u95f4\u6233\u7684\u6570\u636e\u5305\u5b9e\u65bd\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u7ed5\u8fc7\u6e90\u65f6\u95f4\u6233\u9650\u5236\u3002",
  "discovererName": "Matthew Van Gundy and Jonathan Gardner of Cisco ASIG.",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00791",
  "openTime": "2016-02-03",
  "patchDescription": "NTP\u662f\u4e00\u79cd\u4ee5\u6570\u636e\u5305\u4ea4\u6362\u628a\u4e24\u53f0\u7535\u8111\u7684\u65f6\u949f\u540c\u6b65\u5316\u7684\u7f51\u7edc\u534f\u8bae\u3002\r\n\r\nNTP\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u53d1\u9001\u5e26\u6709\u503c\u4e3a\u96f6\u7684\u65f6\u95f4\u6233\u7684\u6570\u636e\u5305\u5b9e\u65bd\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u7ed5\u8fc7\u6e90\u65f6\u95f4\u6233\u9650\u5236\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\u65f6\u95f4\u6233\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ntp Ntp"
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit",
  "serverity": "\u4e2d",
  "submitTime": "2016-01-30",
  "title": "NTP\u65f6\u95f4\u6233\u7ed5\u8fc7\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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