CVE-2017-14494 (GCVE-0-2017-14494)

Vulnerability from cvelistv5 – Published: 2017-10-02 21:00 – Updated: 2024-08-05 19:27
VLAI
Summary
dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
URL Tags
http://www.securitytracker.com/id/1039474 vdb-entryx_refsource_SECTRACK
https://www.synology.com/support/security/Synolog… x_refsource_CONFIRM
http://www.debian.org/security/2017/dsa-3989 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/security/vulnerabilitie… x_refsource_CONFIRM
http://www.securityfocus.com/bid/101085 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-3430-1 vendor-advisoryx_refsource_UBUNTU
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3B… x_refsource_CONFIRM
https://www.kb.cert.org/vuls/id/973527 third-party-advisoryx_refsource_CERT-VN
https://security.gentoo.org/glsa/201710-27 vendor-advisoryx_refsource_GENTOO
http://www.ubuntu.com/usn/USN-3430-2 vendor-advisoryx_refsource_UBUNTU
https://www.mail-archive.com/dnsmasq-discuss%40li… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2017:2836 vendor-advisoryx_refsource_REDHAT
http://nvidia.custhelp.com/app/answers/detail/a_id/4561 x_refsource_CONFIRM
http://www.arubanetworks.com/assets/alert/ARUBA-P… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2837 vendor-advisoryx_refsource_REDHAT
https://www.exploit-db.com/exploits/42944/ exploitx_refsource_EXPLOIT-DB
http://thekelleys.org.uk/dnsmasq/CHANGELOG x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.googleblog.com/2017/10/behind-ma… x_refsource_MISC
https://www.mail-archive.com/dnsmasq-discuss%40li… mailing-listx_refsource_MLIST
Date Public
2017-10-02 00:00
Show details on NVD website
To clipboard 

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                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests."
          },
          {
            "lang": "es",
            "value": "Las versiones anteriores a la 2.78 de dnsmasq, cuando se configuran como retransmisor, permiten que los atacantes remotos obtengan informaci\u00f3n sensible de la memoria mediante vectores relacionados con la gesti\u00f3n de peticiones DHCPv6 reenviadas."
          }
        ],
        "id": "CVE-2017-14494",
        "lastModified": "2026-06-17T01:06:15.197",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2017-10-03T01:29:02.107",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Issue Tracking",
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              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html"
          },
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            "url": "http://nvidia.custhelp.com/app/answers/detail/a_id/4561"
          },
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          },
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            "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=33e3f1029c9ec6c63e430ff51063a6301d4b2262"
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            "url": "https://www.kb.cert.org/vuls/id/973527"
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          {
            "source": "cve@mitre.org",
            "url": "https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html"
          },
          {
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            "url": "https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html"
          },
          {
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            "url": "https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq"
          },
          {
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://nvidia.custhelp.com/app/answers/detail/a_id/4561"
          },
          {
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            "tags": [
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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          },
          {
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          },
          {
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            "url": "https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-200"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-05-13T01:03:06+00:00",
      "cve": "CVE-2017-14494",
      "id": "CVE-2017-14494",
      "initial_release_date": "2017-10-02T00:00:00+00:00",
      "product_status:fixed": "224",
      "product_status:known_not_affected": "11",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "dnsmasq: information leak in the DHCPv6 relay code",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-14494.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.