CVE-2022-34747 (GCVE-0-2022-34747)

Vulnerability from cvelistv5 – Published: 2022-09-06 01:20 – Updated: 2024-08-03 09:22
VLAI?
Summary
A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-134 - Use of Externally-Controlled Format String
Assigner
References
Impacted products
Vendor Product Version
Zyxel Zyxel NAS326 firmware Affected: < V5.21(AAZF.12)C0
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T09:22:09.239Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Zyxel NAS326 firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c V5.21(AAZF.12)C0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet."
        }
      ],
      "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-134",
              "description": "CWE-134: Use of Externally-Controlled Format String",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-06T01:20:10",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@zyxel.com.tw",
          "ID": "CVE-2022-34747",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Zyxel NAS326 firmware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c V5.21(AAZF.12)C0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Zyxel"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "9.8",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-134: Use of Externally-Controlled Format String"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml",
              "refsource": "CONFIRM",
              "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2022-34747",
    "datePublished": "2022-09-06T01:20:10",
    "dateReserved": "2022-06-28T00:00:00",
    "dateUpdated": "2024-08-03T09:22:09.239Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"5.21\\\\(aazf.12\\\\)c0\", \"matchCriteriaId\": \"2859006C-00D3-4CF0-B9EF-4CEDD737CF98\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E0A01B19-4A91-4FBC-8447-2E854346DAC5\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de cadena de formato en Zyxel NAS326 versiones de firmware anteriores a V5.21(AAZF.12)C0, podr\\u00eda permitir a un atacante lograr una ejecuci\\u00f3n remota no autorizada de c\\u00f3digo por medio de un paquete UDP dise\\u00f1ado.\\n\"}]",
      "id": "CVE-2022-34747",
      "lastModified": "2024-11-21T07:10:06.647",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@zyxel.com.tw\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}]}",
      "published": "2022-09-06T02:15:07.517",
      "references": "[{\"url\": \"https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml\", \"source\": \"security@zyxel.com.tw\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@zyxel.com.tw",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@zyxel.com.tw\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-134\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-134\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-34747\",\"sourceIdentifier\":\"security@zyxel.com.tw\",\"published\":\"2022-09-06T02:15:07.517\",\"lastModified\":\"2024-11-21T07:10:06.647\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de cadena de formato en Zyxel NAS326 versiones de firmware anteriores a V5.21(AAZF.12)C0, podr\u00eda permitir a un atacante lograr una ejecuci\u00f3n remota no autorizada de c\u00f3digo por medio de un paquete UDP dise\u00f1ado.\\n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@zyxel.com.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security@zyxel.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-134\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-134\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.21\\\\(aazf.12\\\\)c0\",\"matchCriteriaId\":\"2859006C-00D3-4CF0-B9EF-4CEDD737CF98\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0A01B19-4A91-4FBC-8447-2E854346DAC5\"}]}]}],\"references\":[{\"url\":\"https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml\",\"source\":\"security@zyxel.com.tw\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.