{
  "GSD": {
    "alias": "CVE-2023-45237",
    "id": "GSD-2023-45237"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-45237"
      ],
      "details": " \nEDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n",
      "id": "GSD-2023-45237",
      "modified": "2023-12-13T01:20:38.474785Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "infosec@edk2.groups.io",
        "ID": "CVE-2023-45237",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "edk2",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "edk2-stable202308"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "TianoCore"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Quarkslab Vulnerability Reports Team"
        },
        {
          "lang": "en",
          "value": "Doug Flick"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": " \nEDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-338",
                "lang": "eng",
                "value": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h",
            "refsource": "MISC",
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2024/01/16/2",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20240307-0011/",
            "refsource": "MISC",
            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3CEB3105-57CC-4096-81D3-D58005813C4B",
                    "versionEndIncluding": "202311",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": " \nEDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n"
          },
          {
            "lang": "es",
            "value": "EDK2\u0027s Network Package es susceptible a Initial Sequence Number TCP predecible. Un atacante puede aprovechar esta vulnerabilidad para obtener acceso no autorizado y potencialmente provocar una p\u00e9rdida de confidencialidad."
          }
        ],
        "id": "CVE-2023-45237",
        "lastModified": "2024-03-07T17:15:10.760",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "infosec@edk2.groups.io",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-01-16T16:15:13.013",
        "references": [
          {
            "source": "infosec@edk2.groups.io",
            "tags": [
              "Mailing List"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
          },
          {
            "source": "infosec@edk2.groups.io",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
          },
          {
            "source": "infosec@edk2.groups.io",
            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
          }
        ],
        "sourceIdentifier": "infosec@edk2.groups.io",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-338"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-338"
              }
            ],
            "source": "infosec@edk2.groups.io",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}