Vulnerability-Lookup

CNVD-2015-07180

Vulnerability from cnvd - Published: 2015-11-03

Title

NTP本地缓冲区溢出漏洞

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程序运行自定义的refclock驱动程序时，未能检查‘datalen’参数是否为负值，允许本地攻击者可利用漏洞进行拒绝服务攻击。

Severity

中

Patch Name

NTP本地缓冲区溢出漏洞的补丁

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程序运行自定义的refclock驱动程序时，未能检查‘datalen’参数是否为负值，允许本地攻击者利用漏洞进行拒绝服务攻击。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/NtpBug2920

Reference

http://support.ntp.org/bin/view/Main/NtpBug2920

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-2015-7853"
    }
  },
  "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\u7a0b\u5e8f\u8fd0\u884c\u81ea\u5b9a\u4e49\u7684refclock\u9a71\u52a8\u7a0b\u5e8f\u65f6\uff0c\u672a\u80fd\u68c0\u67e5\u2018datalen\u2019\u53c2\u6570\u662f\u5426\u4e3a\u8d1f\u503c\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Yves Younan of 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/NtpBug2920",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07180",
  "openTime": "2015-11-03",
  "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\u7a0b\u5e8f\u8fd0\u884c\u81ea\u5b9a\u4e49\u7684refclock\u9a71\u52a8\u7a0b\u5e8f\u65f6\uff0c\u672a\u80fd\u68c0\u67e5\u2018datalen\u2019\u53c2\u6570\u662f\u5426\u4e3a\u8d1f\u503c\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\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": "NTP\u672c\u5730\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
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      "Ntp Ntp  4.3.x(\u003c4.3.77)"
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  "serverity": "\u4e2d",
  "submitTime": "2015-11-01",
  "title": "NTP\u672c\u5730\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2015-7853 (GCVE-0-2015-7853)

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

Summary

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

28 references

URL	Tags
http://support.ntp.org/bin/view/Main/NtpBug2920	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2783-1	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1033951	vdb-entryx_refsource_SECTRACK
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://bugzilla.redhat.com/show_bug.cgi?id=1274262	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/77273	vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201607-15	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2017100…	x_refsource_CONFIRM
http://packetstormsecurity.com/files/134137/Slack…	x_refsource_MISC
http://packetstormsecurity.com/files/134082/FreeB…	x_refsource_MISC
http://tools.cisco.com/security/center/content/Ci…	vendor-advisoryx_refsource_CISCO
https://bto.bluecoat.com/security-advisory/sa103	x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/536833/100…	mailing-listx_refsource_BUGTRAQ
http://www.talosintel.com/vulnerability-reports/	x_refsource_MISC
http://lists.opensuse.org/opensuse-updates/2015-1…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/archive/1/archive/1/…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/536760/100…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/archive/1/…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/536796/100…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/archive/1/…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/536737/100…	mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/archive/1/…	mailing-listx_refsource_BUGTRAQ
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	x_refsource_MISC

Date Public

2015-10-21 00:00

Show details on NVD website

JSON

To clipboard

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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.

Action not permitted

CNVD-2015-07180

CVE-2015-7853 (GCVE-0-2015-7853)

Tags

Sightings

Nomenclature

Related by attack behaviour