Vulnerability-Lookup

CNVD-2016-02741

Vulnerability from cnvd - Published: 2016-05-05

Title

ntpd crypto NAK数据包拒绝服务漏洞

Description

ntpd是一个操作系统守护进程，它使用网络时间协议与时间服务器的系统时间保持同步。 ntpd存在安全漏洞，允许远程攻击者可发送带有伪造源地址的crypto NAK数据包进行拒绝服务攻击。

Severity

中

Patch Name

ntpd crypto NAK数据包拒绝服务漏洞的补丁

Patch Description

ntpd是一个操作系统守护进程，它使用网络时间协议与时间服务器的系统时间保持同步。 ntpd存在安全漏洞，允许远程攻击者可发送带有伪造源地址的crypto NAK数据包进行拒绝服务攻击。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

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/NtpBug3007

Reference

http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security

Impacted products

Name
['Ntp NTPd 4.x<4.2.8p7', 'Ntp NTPd >4.3，<4.3.92']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1547"
    }
  },
  "description": "ntpd\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u53d1\u9001\u5e26\u6709\u4f2a\u9020\u6e90\u5730\u5740\u7684crypto NAK\u6570\u636e\u5305\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Cisco TALOS",
  "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/NtpBug3007",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02741",
  "openTime": "2016-05-05",
  "patchDescription": "ntpd\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f7f\u7528\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\u4e0e\u65f6\u95f4\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002\r\n\r\nntpd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u53d1\u9001\u5e26\u6709\u4f2a\u9020\u6e90\u5730\u5740\u7684crypto NAK\u6570\u636e\u5305\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\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": "ntpd crypto NAK\u6570\u636e\u5305\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",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-30",
  "title": "ntpd crypto NAK\u6570\u636e\u5305\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-1547 (GCVE-0-2016-1547)

Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:02

Summary

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.

Severity

No CVSS data available.

CWE

unspecified

Assigner

certcc mitre root

References

15 references

URL	Tags
http://www.securityfocus.com/bid/88276	vdb-entryx_refsource_BID
http://www.debian.org/security/2016/dsa-3629	vendor-advisoryx_refsource_DEBIAN
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2016:1141	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2016-1552.html	vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1035705	vdb-entryx_refsource_SECTRACK
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2017100…	x_refsource_CONFIRM
http://www.talosintelligence.com/reports/TALOS-20…	x_refsource_MISC
https://security.FreeBSD.org/advisories/FreeBSD-S…	vendor-advisoryx_refsource_FREEBSD
https://security.gentoo.org/glsa/201607-15	vendor-advisoryx_refsource_GENTOO
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11	x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://www.arista.com/en/support/advisories-noti…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
NTP Project	NTP	Affected: 4.2.8p3 Affected: 4.2.8p4
NTPsec Project	NTPSec	Affected: a5fb34b9cc89b92a8fef2f459004865c93bb7f92

Date Public

2016-04-26 00:00

Show details on NVD website

JSON

To clipboard

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    ],
    "cna": {
      "affected": [
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          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
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          "url": "https://access.redhat.com/errata/RHSA-2016:1141"
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          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html"
        },
        {
          "name": "1035705",
          "tags": [
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            "x_refsource_SECTRACK"
          ],
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        },
        {
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            "x_refsource_MISC"
          ],
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        },
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    "cveId": "CVE-2016-1547",
    "datePublished": "2017-01-06T21:00:00.000Z",
    "dateReserved": "2016-01-07T00:00:00.000Z",
    "dateUpdated": "2024-08-05T23:02:11.962Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.

Action not permitted

CNVD-2016-02741

CVE-2016-1547 (GCVE-0-2016-1547)

Tags

Sightings

Nomenclature

Related by attack behaviour