Vulnerability-Lookup

CNVD-2015-07017

Vulnerability from cnvd - Published: 2015-10-29

Title

NTP不完整修复拒绝服务漏洞

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 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。由于程序未能正确检查数据包长度。攻击者可利用该漏洞造成拒绝服务（ntpd崩溃）。

Severity

中

Patch Name

NTP不完整修复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 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。由于程序未能正确检查数据包长度。攻击者可利用该漏洞造成拒绝服务（ntpd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

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/NtpBug2899

Reference

http://support.ntp.org/bin/view/Main/NtpBug2899

Impacted products

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

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "77286"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7702"
    }
  },
  "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\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u6570\u636e\u5305\u957f\u5ea6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08ntpd\u5d29\u6e83\uff09\u3002",
  "discovererName": "Tenable Network Security",
  "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/NtpBug2899",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07017",
  "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\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\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u6570\u636e\u5305\u957f\u5ea6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08ntpd\u5d29\u6e83\uff09\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\u4e0d\u5b8c\u6574\u4fee\u590d\u62d2\u7edd\u670d\u52a1\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/NtpBug2899",
  "serverity": "\u4e2d",
  "submitTime": "2015-10-28",
  "title": "NTP\u4e0d\u5b8c\u6574\u4fee\u590d\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-7702 (GCVE-0-2015-7702)

Vulnerability from cvelistv5 – Published: 2017-08-07 20:00 – Updated: 2024-08-06 07:58

Summary

The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.securityfocus.com/bid/77286	vdb-entryx_refsource_BID
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://support.ntp.org/bin/view/Main/NtpBug2899	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2583.html	vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1033951	vdb-entryx_refsource_SECTRACK
http://rhn.redhat.com/errata/RHSA-2016-0780.html	vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2015/dsa-3388	vendor-advisoryx_refsource_DEBIAN
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

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:58:59.680Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "77286",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/77286"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.ntp.org/bin/view/Main/NtpBug2899"
          },
          {
            "name": "RHSA-2016:2583",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2583.html"
          },
          {
            "name": "1033951",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1033951"
          },
          {
            "name": "RHSA-2016:0780",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0780.html"
          },
          {
            "name": "DSA-3388",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3388"
          },
          {
            "name": "GLSA-201607-15",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201607-15"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-10-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash).  NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-05-17T16:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "77286",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/77286"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.ntp.org/bin/view/Main/NtpBug2899"
        },
        {
          "name": "RHSA-2016:2583",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2583.html"
        },
        {
          "name": "1033951",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1033951"
        },
        {
          "name": "RHSA-2016:0780",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-0780.html"
        },
        {
          "name": "DSA-3388",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2015/dsa-3388"
        },
        {
          "name": "GLSA-201607-15",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201607-15"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-7702",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash).  NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "77286",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/77286"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
            },
            {
              "name": "http://support.ntp.org/bin/view/Main/NtpBug2899",
              "refsource": "CONFIRM",
              "url": "http://support.ntp.org/bin/view/Main/NtpBug2899"
            },
            {
              "name": "RHSA-2016:2583",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2583.html"
            },
            {
              "name": "1033951",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1033951"
            },
            {
              "name": "RHSA-2016:0780",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-0780.html"
            },
            {
              "name": "DSA-3388",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2015/dsa-3388"
            },
            {
              "name": "GLSA-201607-15",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201607-15"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20171004-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-7702",
    "datePublished": "2017-08-07T20:00:00.000Z",
    "dateReserved": "2015-10-04T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:58:59.680Z",
    "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.

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.