Vulnerability-Lookup

CNVD-2015-07023

Vulnerability from cnvd - Published: 2015-10-29

Title

NTP内存破坏漏洞

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 4.2.8p4之前版本和4.3.77之前4.3.x版本中存在安全漏洞。当程序允许远程配置时，攻击者可通过发送一组数据包利用该漏洞造成拒绝服务（ntpd崩溃），或实施代码注入攻击。

Severity

中

Patch Name

NTP内存破坏漏洞的补丁

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 4.2.8p4之前版本和4.3.77之前4.3.x版本中存在安全漏洞。当程序允许远程配置时，攻击者可通过发送一组数据包利用该漏洞造成拒绝服务（ntpd崩溃），或实施代码注入攻击。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/NtpBug2916

Reference

http://support.ntp.org/bin/view/Main/NtpBug2916

Impacted products

Name
['Ntp Ntp <4.2.8p4', 'Ntp Ntp 4.3.x(<4.3.77)']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7849"
    }
  },
  "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 4.2.8p4\u4e4b\u524d\u7248\u672c\u548c4.3.77\u4e4b\u524d4.3.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u5141\u8bb8\u8fdc\u7a0b\u914d\u7f6e\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u4e00\u7ec4\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08ntpd\u5d29\u6e83\uff09\uff0c\u6216\u5b9e\u65bd\u4ee3\u7801\u6ce8\u5165\u653b\u51fb\u3002",
  "discovererName": "Yves Younan of 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/NtpBug2916",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07023",
  "openTime": "2015-10-29",
  "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\nNTP 4.2.8p4\u4e4b\u524d\u7248\u672c\u548c4.3.77\u4e4b\u524d4.3.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u5141\u8bb8\u8fdc\u7a0b\u914d\u7f6e\u65f6\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u4e00\u7ec4\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08ntpd\u5d29\u6e83\uff09\uff0c\u6216\u5b9e\u65bd\u4ee3\u7801\u6ce8\u5165\u653b\u51fb\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\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Ntp Ntp \u003c4.2.8p4",
      "Ntp Ntp  4.3.x(\u003c4.3.77)"
    ]
  },
  "referenceLink": "http://support.ntp.org/bin/view/Main/NtpBug2916",
  "serverity": "\u4e2d",
  "submitTime": "2015-10-28",
  "title": "NTP\u5185\u5b58\u7834\u574f\u6f0f\u6d1e"
}

CVE-2015-7849 (GCVE-0-2015-7849)

Vulnerability from cvelistv5 – Published: 2017-08-07 20:00 – Updated: 2024-08-06 07:59

Summary

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1274257	x_refsource_CONFIRM
http://support.ntp.org/bin/view/Main/NtpBug2916	x_refsource_CONFIRM
http://www.securitytracker.com/id/1033951	vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/77276	vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201607-15	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2017100…	x_refsource_CONFIRM

Date Public

2015-10-21 00:00

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

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.

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.