msrc_cve-2023-52426
Vulnerability from csaf_microsoft
Published
2024-02-02 08:00
Modified
2024-06-30 07:00
Summary
libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

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-2023-52426 libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-52426.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": "libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.",
    "tracking": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "generator": {
        "date": "2025-10-20T01:03:24.911Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-52426",
      "initial_release_date": "2024-02-02T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-02-09T00:00:00.000Z",
          "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 expat 2.5.0-1",
                "product": {
                  "name": "\u003cazl3 expat 2.5.0-1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 expat 2.5.0-1",
                "product": {
                  "name": "azl3 expat 2.5.0-1",
                  "product_id": "19906"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 expat 2.6.2-2",
                "product": {
                  "name": "\u003ccbl2 expat 2.6.2-2",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 expat 2.6.2-2",
                "product": {
                  "name": "cbl2 expat 2.6.2-2",
                  "product_id": "17399"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 expat 2.6.2-1",
                "product": {
                  "name": "\u003cazl3 expat 2.6.2-1",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 expat 2.6.2-1",
                "product": {
                  "name": "azl3 expat 2.6.2-1",
                  "product_id": "17783"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 expat 2.5.0-1",
                "product": {
                  "name": "\u003ccbl2 expat 2.5.0-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 expat 2.5.0-1",
                "product": {
                  "name": "cbl2 expat 2.5.0-1",
                  "product_id": "19901"
                }
              }
            ],
            "category": "product_name",
            "name": "expat"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 expat 2.5.0-1 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        },
        "product_reference": "19906",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 expat 2.6.2-2 as a component of CBL Mariner 2.0",
          "product_id": "17086-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 expat 2.6.2-2 as a component of CBL Mariner 2.0",
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        },
        "product_reference": "17399",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
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          "name": "azl3 expat 2.6.2-1 as a component of Azure Linux 3.0",
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        },
        "product_reference": "17783",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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        },
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        "relates_to_product_reference": "17086"
      },
      {
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        "full_product_name": {
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          "product_id": "19901-17086"
        },
        "product_reference": "19901",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-52426",
      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19906-17084",
          "17399-17086",
          "17783-17084",
          "19901-17086"
        ],
        "known_affected": [
          "17084-1",
          "17086-4",
          "17084-3",
          "17086-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-52426 libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2023-52426.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-02-09T00:00:00.000Z",
          "details": "2.6.2-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1",
            "17084-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-02-09T00:00:00.000Z",
          "details": "2.6.2-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-4",
            "17086-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 5.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-1",
            "17086-4",
            "17084-3",
            "17086-2"
          ]
        }
      ],
      "title": "libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time."
    }
  ]
}


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