CVE-2015-3294 (GCVE-0-2015-3294)

Vulnerability from cvelistv5 – Published: 2015-05-08 14:00 – Updated: 2024-08-06 05:39
VLAI
Summary
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://www.debian.org/security/2015/dsa-3251 vendor-advisoryx_refsource_DEBIAN
http://lists.thekelleys.org.uk/pipermail/dnsmasq-… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-updates/2015-0… vendor-advisoryx_refsource_SUSE
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3B… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2593-1 vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201512-01 vendor-advisoryx_refsource_GENTOO
http://lists.thekelleys.org.uk/pipermail/dnsmasq-… mailing-listx_refsource_MLIST
http://www.securitytracker.com/id/1032195 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/74452 vdb-entryx_refsource_BID
http://www.securityfocus.com/archive/1/535354/100… mailing-listx_refsource_BUGTRAQ
Date Public
2015-04-07 00:00
Show details on NVD website

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            "source": "cve@mitre.org",
            "tags": [
              "Exploit"
            ],
            "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3251"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/archive/1/535354/100/1100/threaded"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/74452"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id/1032195"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2593-1"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.gentoo.org/glsa/201512-01"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3251"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/535354/100/1100/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/74452"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id/1032195"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2593-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201512-01"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-19"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:19:09+00:00",
      "cve": "CVE-2015-3294",
      "id": "CVE-2015-3294",
      "initial_release_date": "2015-04-23T00:00:00+00:00",
      "product_status:known_affected": "10",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "dnsmasq: unchecked return value of the setup_reply() function",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3294.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:31:44Z",
      "cve": "CVE-2015-3294",
      "id": "CVE-2015-3294",
      "initial_release_date": "2023-02-15T05:19:05Z",
      "product_status:known_affected": "21",
      "product_status:known_not_affected": "1",
      "product_status:recommended": "104",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-3294",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-3294.json",
      "version": "22"
    }
  }
}



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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.

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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.


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