Vulnerability-Lookup

CNVD-2018-04392

Vulnerability from cnvd - Published: 2018-03-06

Title

Dnsmasq安全绕过漏洞

Description

Dnsmasq是软件开发者Simon Kelley所研发的一款使用C语言编写的开源轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq 2.78及之前的版本中的DNSSEC实现存在安全绕过漏洞。攻击者可利用该漏洞造成设备显示已存在主机名并不存在。

Severity

中

Patch Name

Dnsmasq安全绕过漏洞的补丁

Patch Description

Dnsmasq是软件开发者Simon Kelley所研发的一款使用C语言编写的开源轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq 2.78及之前的版本中的DNSSEC实现存在安全绕过漏洞。攻击者可利用该漏洞造成设备显示已存在主机名并不存在。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： http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=4fe6744a220eddd3f1749b40cac3dfc510787de6

Reference

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html

Impacted products

Name
Dnsmasq Dnsmasq <=2.28

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "102812"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15107"
    }
  },
  "description": "Dnsmasq\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Simon Kelley\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u8f7b\u91cf\u7ea7DNS\u8f6c\u53d1\u548cDHCP\u3001TFTP\u670d\u52a1\u5668\u3002\r\n\r\nDnsmasq 2.78\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684DNSSEC\u5b9e\u73b0\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8bbe\u5907\u663e\u793a\u5df2\u5b58\u5728\u4e3b\u673a\u540d\u5e76\u4e0d\u5b58\u5728\u3002",
  "discovererName": "Ralph Dolmans",
  "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\nhttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=4fe6744a220eddd3f1749b40cac3dfc510787de6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04392",
  "openTime": "2018-03-06",
  "patchDescription": "Dnsmasq\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Simon Kelley\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u8f7b\u91cf\u7ea7DNS\u8f6c\u53d1\u548cDHCP\u3001TFTP\u670d\u52a1\u5668\u3002\r\n\r\nDnsmasq 2.78\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684DNSSEC\u5b9e\u73b0\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8bbe\u5907\u663e\u793a\u5df2\u5b58\u5728\u4e3b\u673a\u540d\u5e76\u4e0d\u5b58\u5728\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": "Dnsmasq\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dnsmasq Dnsmasq \u003c=2.28"
  },
  "referenceLink": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-25",
  "title": "Dnsmasq\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-15107 (GCVE-0-2017-15107)

Vulnerability from cvelistv5 – Published: 2018-01-23 16:00 – Updated: 2024-08-05 19:50

Summary

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.

Severity

No CVSS data available.

CWE

CWE-358

Assigner

redhat redhat root

References

3 references

URL	Tags
http://lists.thekelleys.org.uk/pipermail/dnsmasq-…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/102812	vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Simon Kelley	dnsmasq	Affected: up to and including 2.78

Date Public

2018-01-19 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:16.035Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[dnsmasq-discuss] 20180119 DNSSEC security fix.",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html"
          },
          {
            "name": "102812",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/102812"
          },
          {
            "name": "openSUSE-SU-2019:2669",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00027.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "dnsmasq",
          "vendor": "Simon Kelley",
          "versions": [
            {
              "status": "affected",
              "version": "up to and including 2.78"
            }
          ]
        }
      ],
      "datePublic": "2018-01-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-358",
              "description": "CWE-358",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-12-11T15:06:05.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "[dnsmasq-discuss] 20180119 DNSSEC security fix.",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html"
        },
        {
          "name": "102812",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/102812"
        },
        {
          "name": "openSUSE-SU-2019:2669",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00027.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-15107",
    "datePublished": "2018-01-23T16:00:00.000Z",
    "dateReserved": "2017-10-08T00:00:00.000Z",
    "dateUpdated": "2024-08-05T19:50:16.035Z",
    "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.
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CNVD-2018-04392

CVE-2017-15107 (GCVE-0-2017-15107)

Tags

Sightings

Nomenclature

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