MSRC_CVE-2020-36325

Vulnerability from csaf_microsoft - Published: 2021-04-02 00:00 - Updated: 2021-12-16 00:00
Summary
An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads there's an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification

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.
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{
  "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-2020-36325 An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads there\u0027s an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2020-36325.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": "An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads there\u0027s an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification",
    "tracking": {
      "current_release_date": "2021-12-16T00:00:00.000Z",
      "generator": {
        "date": "2025-10-19T21:54:18.961Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2020-36325",
      "initial_release_date": "2021-04-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2021-12-16T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "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": "\u003ccm1 jansson 2.11-3",
                "product": {
                  "name": "\u003ccm1 jansson 2.11-3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 jansson 2.11-3",
                "product": {
                  "name": "cm1 jansson 2.11-3",
                  "product_id": "19121"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 jansson 2.14-1",
                "product": {
                  "name": "\u003ccbl2 jansson 2.14-1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 jansson 2.14-1",
                "product": {
                  "name": "cbl2 jansson 2.14-1",
                  "product_id": "19122"
                }
              }
            ],
            "category": "product_name",
            "name": "jansson"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 jansson 2.11-3 as a component of CBL Mariner 1.0",
          "product_id": "16820-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 jansson 2.11-3 as a component of CBL Mariner 1.0",
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        },
        "product_reference": "19121",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
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        },
        "product_reference": "19122",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-36325",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19121-16820",
          "19122-17086"
        ],
        "known_affected": [
          "16820-2",
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2020-36325 An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads there\u0027s an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2020-36325.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-12-16T00:00:00.000Z",
          "details": "2.11-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2021-12-16T00:00:00.000Z",
          "details": "2.14-1: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": [
            "16820-2",
            "17086-1"
          ]
        }
      ],
      "title": "An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads there\u0027s an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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