CVE-2024-26130 (GCVE-0-2024-26130)

Vulnerability from cvelistv5 – Published: 2024-02-21 16:28 – Updated: 2024-08-14 20:01
VLAI
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
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
pyca cryptography Affected: >= 38.0.0, < 42.0.4
Create a notification for this product.
cryptography_project cryptography Affected: 38.0.0 , < 42.04 (custom)
    cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-26130",
      "date": "2026-06-22",
      "epss": "0.00831",
      "percentile": "0.52749"
    },
    "fkie_nvd": {
      "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` .\"}]",
      "id": "CVE-2024-26130",
      "lastModified": "2024-11-21T09:01:59.757",
      "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\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}]}",
      "published": "2024-02-21T17:15:09.863",
      "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\"}, {\"url\": \"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://github.com/pyca/cryptography/pull/10423\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "security-advisories@github.com",
      "vulnStatus": "Awaiting Analysis",
      "weaknesses": "[{\"source\": \"security-advisories@github.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26130\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2024-02-21T17:15:09.863\",\"lastModified\":\"2025-02-05T22:09:20.427\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"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:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cryptography.io:cryptography:*:*:*:*:*:python:*:*\",\"versionStartIncluding\":\"38.0.0\",\"versionEndExcluding\":\"42.0.4\",\"matchCriteriaId\":\"BDAE857E-8C66-4574-88CD-615D866340CA\"}]}]}],\"references\":[{\"url\":\"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/pyca/cryptography/pull/10423\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/pyca/cryptography/pull/10423\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\", \"name\": \"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}, {\"url\": \"https://github.com/pyca/cryptography/pull/10423\", \"name\": \"https://github.com/pyca/cryptography/pull/10423\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\", \"name\": \"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-01T23:59:32.542Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26130\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-14T19:56:07.150963Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:*\"], \"vendor\": \"cryptography_project\", \"product\": \"cryptography\", \"versions\": [{\"status\": \"affected\", \"version\": \"38.0.0\", \"lessThan\": \"42.04\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-14T19:59:58.743Z\"}}], \"cna\": {\"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\", \"source\": {\"advisory\": \"GHSA-6vqw-3v5j-54x4\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"pyca\", \"product\": \"cryptography\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003e= 38.0.0, \u003c 42.0.4\"}]}], \"references\": [{\"url\": \"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\", \"name\": \"https://github.com/pyca/cryptography/security/advisories/GHSA-6vqw-3v5j-54x4\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/pyca/cryptography/pull/10423\", \"name\": \"https://github.com/pyca/cryptography/pull/10423\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\", \"name\": \"https://github.com/pyca/cryptography/commit/97d231672763cdb5959a3b191e692a362f1b9e55\", \"tags\": [\"x_refsource_MISC\"]}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476: NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2024-02-21T16:28:18.632Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26130\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-14T20:01:52.628Z\", \"dateReserved\": \"2024-02-14T17:40:03.687Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2024-02-21T16:28:18.632Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.