MSRC_CVE-2023-49083

Vulnerability from csaf_microsoft - Published: 2023-11-01 07:00 - Updated: 2024-06-30 07:00
Summary
cryptography vulnerable to NULL-dereference when loading PKCS7 certificates

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
To clipboard 

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-49083 cryptography vulnerable to NULL-dereference when loading PKCS7 certificates - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-49083.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "cryptography vulnerable to NULL-dereference when loading PKCS7 certificates",
    "tracking": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:47:01.424Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-49083",
      "initial_release_date": "2023-11-01T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-12-04T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-06-30T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 python-cryptography 3.3.2-5",
                "product": {
                  "name": "\u003cazl3 python-cryptography 3.3.2-5",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 python-cryptography 3.3.2-5",
                "product": {
                  "name": "azl3 python-cryptography 3.3.2-5",
                  "product_id": "17984"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 python-cryptography 3.3.2-6",
                "product": {
                  "name": "\u003ccbl2 python-cryptography 3.3.2-6",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 python-cryptography 3.3.2-6",
                "product": {
                  "name": "cbl2 python-cryptography 3.3.2-6",
                  "product_id": "18244"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 python-cryptography 42.0.5-1",
                "product": {
                  "name": "\u003cazl3 python-cryptography 42.0.5-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 python-cryptography 42.0.5-1",
                "product": {
                  "name": "azl3 python-cryptography 42.0.5-1",
                  "product_id": "18171"
                }
              }
            ],
            "category": "product_name",
            "name": "python-cryptography"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 python-cryptography 3.3.2-5 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 python-cryptography 3.3.2-5 as a component of Azure Linux 3.0",
          "product_id": "17984-17084"
        },
        "product_reference": "17984",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 python-cryptography 3.3.2-6 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 python-cryptography 3.3.2-6 as a component of CBL Mariner 2.0",
          "product_id": "18244-17086"
        },
        "product_reference": "18244",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 python-cryptography 42.0.5-1 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 python-cryptography 42.0.5-1 as a component of Azure Linux 3.0",
          "product_id": "18171-17084"
        },
        "product_reference": "18171",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-49083",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17984-17084",
          "18244-17086",
          "18171-17084"
        ],
        "known_affected": [
          "17084-3",
          "17086-1",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-49083 cryptography vulnerable to NULL-dereference when loading PKCS7 certificates - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-49083.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-12-04T00:00:00.000Z",
          "details": "42.0.5-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-3",
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-12-04T00:00:00.000Z",
          "details": "3.3.2-6:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "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"
          },
          "products": [
            "17084-3",
            "17086-1",
            "17084-2"
          ]
        }
      ],
      "title": "cryptography vulnerable to NULL-dereference when loading PKCS7 certificates"
    }
  ]
}


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.