cve-2024-26130
Vulnerability from cvelistv5
Published
2024-02-21 16:28
Modified
2024-08-14 20:01
Severity
Summary
cryptography NULL pointer deference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override
Impacted products
VendorProduct
pycacryptography
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T23:59:32.542Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4"
          },
          {
            "name": "https://github.com/pyca/cryptography/pull/10423",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pyca/cryptography/pull/10423"
          },
          {
            "name": "https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "cryptography",
            "vendor": "cryptography_project",
            "versions": [
              {
                "lessThan": "42.04",
                "status": "affected",
                "version": "38.0.0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-26130",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-14T19:56:07.150963Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-14T20:01:52.628Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "cryptography",
          "vendor": "pyca",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 38.0.0, \u003c 42.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Starting in version 38.0.0 and prior to version 42.0.4, if `pkcs12.serialize_key_and_certificates` is called with both a certificate whose public key did not match the provided private key and an `encryption_algorithm` with `hmac_hash` set (via `PrivateFormat.PKCS12.encryption_builder().hmac_hash(...)`, then a NULL pointer dereference would occur, crashing the Python process. This has been resolved in version 42.0.4, the first version in which a `ValueError` is properly raised."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476: NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-21T16:28:18.632Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4"
        },
        {
          "name": "https://github.com/pyca/cryptography/pull/10423",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pyca/cryptography/pull/10423"
        },
        {
          "name": "https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55"
        }
      ],
      "source": {
        "advisory": "GHSA-6vqw-3v5j-54x4",
        "discovery": "UNKNOWN"
      },
      "title": "cryptography NULL pointer deference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-26130",
    "datePublished": "2024-02-21T16:28:18.632Z",
    "dateReserved": "2024-02-14T17:40:03.687Z",
    "dateUpdated": "2024-08-14T20:01:52.628Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26130\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2024-02-21T17:15:09.863\",\"lastModified\":\"2024-02-22T19:07:27.197\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Starting in version 38.0.0 and prior to version 42.0.4, if `pkcs12.serialize_key_and_certificates` is called with both a certificate whose public key did not match the provided private key and an `encryption_algorithm` with `hmac_hash` set (via `PrivateFormat.PKCS12.encryption_builder().hmac_hash(...)`, then a NULL pointer dereference would occur, crashing the Python process. This has been resolved in version 42.0.4, the first version in which a `ValueError` is properly raised.\"},{\"lang\":\"es\",\"value\":\"cryptography es un paquete manipulado para exponer recetas y primitivas criptogr\u00e1ficas a los desarrolladores de Python. A partir de la versi\u00f3n 38.0.0 y anteriores a la versi\u00f3n 42.0.4, si se llama a `pkcs12.serialize_key_and_certificates` con un certificado cuya clave p\u00fablica no coincide con la clave privada proporcionada y un `encryption_algorithm` con `hmac_hash` configurado (a trav\u00e9s de `PrivateFormat .PKCS12.encryption_builder().hmac_hash(...)`, entonces se producir\u00eda una desreferencia del puntero NULL, bloqueando el proceso de Python. Esto se resolvi\u00f3 en la versi\u00f3n 42.0.4, la primera versi\u00f3n en la que se genera correctamente un `ValueError` .\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pyca/cryptography/pull/10423\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...