msrc_cve-2023-51384
Vulnerability from csaf_microsoft
Published
2023-12-01 08:00
Modified
2024-06-30 07:00
Summary
In ssh-agent in OpenSSH before 9.6 certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys these constraints are only applied to the first key even if a PKCS#11 token returns multiple keys.

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-2023-51384 In ssh-agent in OpenSSH before 9.6 certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys these constraints are only applied to the first key even if a PKCS#11 token returns multiple keys. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-51384.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": "In ssh-agent in OpenSSH before 9.6 certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys these constraints are only applied to the first key even if a PKCS#11 token returns multiple keys.",
    "tracking": {
      "current_release_date": "2024-06-30T07:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:49:37.100Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-51384",
      "initial_release_date": "2023-12-01T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-12-25T00:00:00.000Z",
          "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 openssh 9.5p1-2",
                "product": {
                  "name": "\u003cazl3 openssh 9.5p1-2",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 openssh 9.5p1-2",
                "product": {
                  "name": "azl3 openssh 9.5p1-2",
                  "product_id": "19897"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 openssh 8.9p1-3",
                "product": {
                  "name": "\u003ccbl2 openssh 8.9p1-3",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 openssh 8.9p1-3",
                "product": {
                  "name": "cbl2 openssh 8.9p1-3",
                  "product_id": "18224"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 openssh 9.7p1-1",
                "product": {
                  "name": "\u003cazl3 openssh 9.7p1-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 openssh 9.7p1-1",
                "product": {
                  "name": "azl3 openssh 9.7p1-1",
                  "product_id": "18225"
                }
              }
            ],
            "category": "product_name",
            "name": "openssh"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 openssh 9.5p1-2 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": {
          "name": "azl3 openssh 9.5p1-2 as a component of Azure Linux 3.0",
          "product_id": "19897-17084"
        },
        "product_reference": "19897",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 openssh 8.9p1-3 as a component of CBL Mariner 2.0",
          "product_id": "17086-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 openssh 8.9p1-3 as a component of CBL Mariner 2.0",
          "product_id": "18224-17086"
        },
        "product_reference": "18224",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 openssh 9.7p1-1 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 openssh 9.7p1-1 as a component of Azure Linux 3.0",
          "product_id": "18225-17084"
        },
        "product_reference": "18225",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-51384",
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19897-17084",
          "18224-17086",
          "18225-17084"
        ],
        "known_affected": [
          "17084-1",
          "17086-3",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-51384 In ssh-agent in OpenSSH before 9.6 certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys these constraints are only applied to the first key even if a PKCS#11 token returns multiple keys. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-51384.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-12-25T00:00:00.000Z",
          "details": "9.7p1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-12-25T00:00:00.000Z",
          "details": "8.9p1-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-12-25T00:00:00.000Z",
          "details": "-:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "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:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "17084-1",
            "17086-3",
            "17084-2"
          ]
        }
      ],
      "title": "In ssh-agent in OpenSSH before 9.6 certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys these constraints are only applied to the first key even if a PKCS#11 token returns multiple keys."
    }
  ]
}


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