CVE-2023-31470

Published Apr 28, 2023

Last updated 15 days ago

Overview

Description: 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.
Source: cve@mitre.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:pymumu:smartdns:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "A5C0D703-DE83-4A39-B60E-C59EB738596A",
            "versionEndIncluding": "41"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References