cnvd-2016-00820
Vulnerability from cnvd
Title: NTP本地拒绝服务漏洞
Description:
NTP（Network Time Protocol，网络时间协议）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存在拒绝服务漏洞。本地攻击者可利用该漏洞使ntpq实例崩溃，造成拒绝服务。
Severity: 低
Patch Name: NTP本地拒绝服务漏洞的补丁
Patch Description:
NTP（Network Time Protocol，网络时间协议）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存在拒绝服务漏洞。本地攻击者可利用该漏洞使ntpq实例崩溃，造成拒绝服务。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，详情请关注厂商主页： http://www.ntp.org/
Reference: http://www.securityfocus.com/bid/81959
Impacted products
| Name | ['Ntp Ntp 4.2.5 p74', 'Ntp Ntp 4.2.4 p8', 'Ntp Ntp 4.2.2 p4', 'Ntp Ntp 4.1.2', 'Ntp Ntp 4.2.0.a', 'Ntp Ntp 4.2.5 p153', 'Ntp Ntp 4.2.5 p150', 'Ntp Ntp 4.2.4 p7-RC2', 'Ntp Ntp 4.2.4 p7', 'Ntp Ntp 4.2.4 p6', 'Ntp Ntp 4.2.4 p5', 'Ntp Ntp 4.2.4 p4', 'Ntp Ntp 4.2.2 p1'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "81959"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2015-7975"
}
},
"description": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7fntpq\u5b9e\u4f8b\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
"discovererName": "Jonathan Gardner",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.ntp.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-00820",
"openTime": "2016-02-04",
"patchDescription": "NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7fntpq\u5b9e\u4f8b\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\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\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Ntp Ntp 4.2.5 p74",
"Ntp Ntp 4.2.4 p8",
"Ntp Ntp 4.2.2 p4",
"Ntp Ntp 4.1.2",
"Ntp Ntp 4.2.0.a",
"Ntp Ntp 4.2.5 p153",
"Ntp Ntp 4.2.5 p150",
"Ntp Ntp 4.2.4 p7-RC2",
"Ntp Ntp 4.2.4 p7",
"Ntp Ntp 4.2.4 p6",
"Ntp Ntp 4.2.4 p5",
"Ntp Ntp 4.2.4 p4",
"Ntp Ntp 4.2.2 p1"
]
},
"referenceLink": "http://www.securityfocus.com/bid/81959",
"serverity": "\u4f4e",
"submitTime": "2016-02-04",
"title": "NTP\u672c\u5730\u62d2\u7edd\u670d\u52a1\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.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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