Vulnerability-Lookup

ubuntu-cve-2023-31470

Vulnerability from osv_ubuntu

Published

2023-04-28 21:15

Modified

2025-03-24 04:42

Summary

Details

SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.

Severity

9.8 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

URL

Type

	https://ubuntu.com/security/CVE-2023-31470	REPORT
	https://github.com/pymumu/smartdns/commit/56d0332…	REPORT
	https://github.com/pymumu/smartdns/issues/1378	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-31470	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "ubuntu_priority": "medium"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "smartdns",
        "purl": "pkg:deb/ubuntu/smartdns@35+dfsg-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "33+dfsg-2.1",
        "33+dfsg-2.1build1",
        "35+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.",
  "id": "UBUNTU-CVE-2023-31470",
  "modified": "2025-03-24T04:42:36Z",
  "published": "2023-04-28T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-31470"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pymumu/smartdns/issues/1378"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-31470"
    }
  ],
  "related": [
    "CVE-2023-31470"
  ],
  "schema_version": "1.6.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "withdrawn": "2025-06-23T15:56:51Z"
}

CVE-2023-31470 (GCVE-0-2023-31470)

Vulnerability from cvelistv5 – Published: 2023-04-28 00:00 – Updated: 2025-01-31 15:58

Summary

SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-787 - Out-of-bounds Write

Assigner

mitre

References

2 references

URL	Tags
https://github.com/pymumu/smartdns/issues/1378
https://github.com/pymumu/smartdns/commit/56d0332…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T14:53:30.655Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/pymumu/smartdns/issues/1378"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-31470",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-31T15:58:03.506012Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-31T15:58:25.346Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-28T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/pymumu/smartdns/issues/1378"
        },
        {
          "url": "https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-31470",
    "datePublished": "2023-04-28T00:00:00.000Z",
    "dateReserved": "2023-04-28T00:00:00.000Z",
    "dateUpdated": "2025-01-31T15:58:25.346Z",
    "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.

Action not permitted

ubuntu-cve-2023-31470

Vulnerability from osv_ubuntu

CVE-2023-31470 (GCVE-0-2023-31470)

Tags

Sightings

Nomenclature