{
  "GSD": {
    "alias": "CVE-2023-39540",
    "id": "GSD-2023-39540"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-39540"
      ],
      "details": "A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.",
      "id": "GSD-2023-39540",
      "modified": "2023-12-13T01:20:33.389662Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "talos-cna@cisco.com",
        "ID": "CVE-2023-39540",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Gecko Platform",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "4.3.1.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Silicon Labs"
            },
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "uC-TCP-IP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "v3.06.01"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Weston Embedded"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Francesco Benvenuto and Kelly Patterson of Cisco Talos."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-126",
                "lang": "eng",
                "value": "CWE-126: Buffer Over-read"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828",
            "refsource": "MISC",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet."
          }
        ],
        "id": "CVE-2023-39540",
        "lastModified": "2024-02-20T19:50:53.960",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 3.6,
              "source": "talos-cna@cisco.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2024-02-20T15:15:08.323",
        "references": [
          {
            "source": "talos-cna@cisco.com",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828"
          }
        ],
        "sourceIdentifier": "talos-cna@cisco.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-126"
              }
            ],
            "source": "talos-cna@cisco.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}