« Volver al listado

CVE-2023-32726

Estado: ModificadaAlta (8.1)—

The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Zabbix — Zabbix-agent

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-32726",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@zabbix.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.9,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 0.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@zabbix.com",
      "affectedData": [
        {
          "repo": "https://git.zabbix.com/",
          "vendor": "Zabbix",
          "modules": [
            "Agent"
          ],
          "product": "Zabbix",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "5.0.40",
                  "status": "unaffected"
                }
              ],
              "version": "5.0.0",
              "versionType": "git",
              "lessThanOrEqual": "5.0.39"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "6.0.24",
                  "status": "unaffected"
                }
              ],
              "version": "6.0.0",
              "versionType": "git",
              "lessThanOrEqual": "6.0.23"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "6.4.9",
                  "status": "unaffected"
                }
              ],
              "version": "6.4.0",
              "versionType": "git",
              "lessThanOrEqual": "6.4.8"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "7.0.0alpha8",
                  "status": "unaffected"
                }
              ],
              "version": "7.0.0alpha1",
              "versionType": "git",
              "lessThanOrEqual": "7.0.0alpha7"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-12-18T10:15:06.750",
  "references": [
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html",
      "source": "security@zabbix.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/",
      "source": "security@zabbix.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/",
      "source": "security@zabbix.com"
    },
    {
      "url": "https://support.zabbix.com/browse/ZBX-23855",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@zabbix.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.zabbix.com/browse/ZBX-23855",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@zabbix.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad se debe a una verificación incorrecta de si RDLENGTH no desborda el búfer en respuesta del servidor DNS."
    }
  ],
  "lastModified": "2026-06-17T05:59:27.897",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D042C89-DB7A-476E-B02B-A39386189825",
              "versionEndIncluding": "5.0.39",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E3A1180-2007-40CD-9AD2-EA904E222989",
              "versionEndIncluding": "6.0.23",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:zabbix:zabbix-agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6C295C3B-0788-4E5B-991E-8CAFE1365CCD",
              "versionEndIncluding": "6.4.8",
              "versionStartIncluding": "6.4.0"
            },
            {
              "criteria": "cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "725CFCBF-DF3B-4E94-8A56-AA2DA2F8462E"
            },
            {
              "criteria": "cpe:2.3:a:zabbix:zabbix-agent:7.0.0:alpha6:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E2109D2-0986-43D0-9561-447DB52F137E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@zabbix.com"
}