CNVD-2017-04247
Vulnerability from cnvd - Published: 2017-04-11
VLAI
Title
NTP拒绝服务漏洞（CNVD-2017-04247）
Description
Network Time Protocol（NTP）是用来使计算机时间同步化的一种协议。
NTP在origin timestamp check功能中存在拒绝服务安全漏洞，攻击者利用此漏洞可使受影响应用崩溃。
Severity
高
Patch Name
NTP拒绝服务漏洞（CNVD-2017-04247）的补丁
Patch Description
Network Time Protocol（NTP）是用来使计算机时间同步化的一种协议。
NTP在origin timestamp check功能中存在拒绝服务安全漏洞，攻击者利用此漏洞可使受影响应用崩溃。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
用户可参考如下供应商提供的安全公告获得补丁信息： http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
Reference
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
Impacted products
| Name | Ntp Ntp 4.2.8p9 |
|---|
{
"bids": {
"bid": {
"bidNumber": "97046"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2016-9042"
}
},
"description": "Network Time Protocol\uff08NTP\uff09\u662f\u7528\u6765\u4f7f\u8ba1\u7b97\u673a\u65f6\u95f4\u540c\u6b65\u5316\u7684\u4e00\u79cd\u534f\u8bae\u3002\r\n\r\nNTP\u5728origin timestamp check\u529f\u80fd\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u4f7f\u53d7\u5f71\u54cd\u5e94\u7528\u5d29\u6e83\u3002",
"discovererName": "Matthew Van Gundy of Cisco",
"formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2017-04247",
"openTime": "2017-04-11",
"patchDescription": "Network Time Protocol\uff08NTP\uff09\u662f\u7528\u6765\u4f7f\u8ba1\u7b97\u673a\u65f6\u95f4\u540c\u6b65\u5316\u7684\u4e00\u79cd\u534f\u8bae\u3002\r\n\r\nNTP\u5728origin timestamp check\u529f\u80fd\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u4f7f\u53d7\u5f71\u54cd\u5e94\u7528\u5d29\u6e83\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-04247\uff09\u7684\u8865\u4e01",
"products": {
"product": "Ntp Ntp 4.2.8p9"
},
"referenceLink": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities",
"serverity": "\u9ad8",
"submitTime": "2017-03-23",
"title": "NTP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-04247\uff09"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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