Vulnerability-Lookup

CNVD-2018-04391

Vulnerability from cnvd - Published: 2018-03-06

Title

Unbound安全绕过漏洞

Description

Unbound是荷兰NLnet实验室负责维护的一套基于C语言的开源递归式DNS服务器软件。 Unbound 1.6.8之前的版本中存在安全漏洞，该漏洞源于程序未能正确验证通配符记录。攻击者可利用该漏洞造成设备显示已存在的通配符记录并不存在或显示无数据。

Severity

中

Patch Name

Unbound安全绕过漏洞的补丁

Patch Description

Unbound是荷兰NLnet实验室负责维护的一套基于C语言的开源递归式DNS服务器软件。 Unbound 1.6.8之前的版本中存在安全漏洞，该漏洞源于程序未能正确验证通配符记录。攻击者可利用该漏洞造成设备显示已存在的通配符记录并不存在或显示无数据。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://unbound.net/downloads/CVE-2017-15105.txt

Reference

https://unbound.net/downloads/CVE-2017-15105.txt

Impacted products

Name
Unbound Unbound <1.6.8

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "102817"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15105"
    }
  },
  "description": "Unbound\u662f\u8377\u5170NLnet\u5b9e\u9a8c\u5ba4\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u5957\u57fa\u4e8eC\u8bed\u8a00\u7684\u5f00\u6e90\u9012\u5f52\u5f0fDNS\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nUnbound 1.6.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u901a\u914d\u7b26\u8bb0\u5f55\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8bbe\u5907\u663e\u793a\u5df2\u5b58\u5728\u7684\u901a\u914d\u7b26\u8bb0\u5f55\u5e76\u4e0d\u5b58\u5728\u6216\u663e\u793a\u65e0\u6570\u636e\u3002",
  "discovererName": "Ralph Dolmans and Karst Koymans",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://unbound.net/downloads/CVE-2017-15105.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04391",
  "openTime": "2018-03-06",
  "patchDescription": "Unbound\u662f\u8377\u5170NLnet\u5b9e\u9a8c\u5ba4\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u5957\u57fa\u4e8eC\u8bed\u8a00\u7684\u5f00\u6e90\u9012\u5f52\u5f0fDNS\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nUnbound 1.6.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u901a\u914d\u7b26\u8bb0\u5f55\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8bbe\u5907\u663e\u793a\u5df2\u5b58\u5728\u7684\u901a\u914d\u7b26\u8bb0\u5f55\u5e76\u4e0d\u5b58\u5728\u6216\u663e\u793a\u65e0\u6570\u636e\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": "Unbound\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Unbound Unbound \u003c1.6.8"
  },
  "referenceLink": "https://unbound.net/downloads/CVE-2017-15105.txt",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-25",
  "title": "Unbound\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-15105 (GCVE-0-2017-15105)

Vulnerability from cvelistv5 – Published: 2018-01-23 16:00 – Updated: 2024-09-16 21:56

Summary

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

Severity

No CVSS data available.

CWE

CWE-358

Assigner

redhat redhat root Scorecard

References

5 references

URL	Tags
http://www.securityfocus.com/bid/102817	vdb-entryx_refsource_BID
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://unbound.net/downloads/CVE-2017-15105.txt	x_refsource_CONFIRM
https://usn.ubuntu.com/3673-1/	vendor-advisoryx_refsource_UBUNTU

Impacted products

1 product

Vendor	Product	Version
NLnet Labs	unbound	Affected: before 1.6.8

Date Public

2018-01-19 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:16.037Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "102817",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/102817"
          },
          {
            "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
          },
          {
            "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
          },
          {
            "name": "USN-3673-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3673-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "unbound",
          "vendor": "NLnet Labs",
          "versions": [
            {
              "status": "affected",
              "version": "before 1.6.8"
            }
          ]
        }
      ],
      "datePublic": "2018-01-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-358",
              "description": "CWE-358",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-02-15T10:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "102817",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/102817"
        },
        {
          "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
        },
        {
          "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
        },
        {
          "name": "USN-3673-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3673-1/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "DATE_PUBLIC": "2018-01-19T00:00:00",
          "ID": "CVE-2017-15105",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "unbound",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 1.6.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "NLnet Labs"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-358"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "102817",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/102817"
            },
            {
              "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
            },
            {
              "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
            },
            {
              "name": "https://unbound.net/downloads/CVE-2017-15105.txt",
              "refsource": "CONFIRM",
              "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
            },
            {
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3673-1/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-15105",
    "datePublished": "2018-01-23T16:00:00.000Z",
    "dateReserved": "2017-10-08T00:00:00.000Z",
    "dateUpdated": "2024-09-16T21:56:27.390Z",
    "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.

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CNVD-2018-04391

CVE-2017-15105 (GCVE-0-2017-15105)

Tags

Sightings

Nomenclature

Related by attack behaviour