msrc_cve-2023-34059
Vulnerability from csaf_microsoft
Published
2023-10-01 00:00
Modified
2023-11-01 00:00
Summary
open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper. A malicious actor with non-root privileges may be able to hijack the /dev/uinput file descriptor allowing them to simulate user inputs.

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-2023-34059 open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper.\u00a0A malicious actor with non-root privileges may be able to hijack the \n/dev/uinput file descriptor allowing them to simulate user inputs. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-34059.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": "open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper.\u00a0A malicious actor with non-root privileges may be able to hijack the \n/dev/uinput file descriptor allowing them to simulate user inputs.",
    "tracking": {
      "current_release_date": "2023-11-01T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:44:26.398Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-34059",
      "initial_release_date": "2023-10-01T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-11-01T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "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": "\u003ccbl2 open-vm-tools 11.3.0-3",
                "product": {
                  "name": "\u003ccbl2 open-vm-tools 11.3.0-3",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 open-vm-tools 11.3.0-3",
                "product": {
                  "name": "cbl2 open-vm-tools 11.3.0-3",
                  "product_id": "18272"
                }
              }
            ],
            "category": "product_name",
            "name": "open-vm-tools"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 open-vm-tools 11.3.0-3 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 open-vm-tools 11.3.0-3 as a component of CBL Mariner 2.0",
          "product_id": "18272-17086"
        },
        "product_reference": "18272",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-34059",
      "notes": [
        {
          "category": "general",
          "text": "vmware",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "18272-17086"
        ],
        "known_affected": [
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-34059 open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper.\u00a0A malicious actor with non-root privileges may be able to hijack the \n/dev/uinput file descriptor allowing them to simulate user inputs. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-34059.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-11-01T00:00:00.000Z",
          "details": "11.3.0-3: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": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 7.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-1"
          ]
        }
      ],
      "title": "open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper.\u00a0A malicious actor with non-root privileges may be able to hijack the \n/dev/uinput file descriptor allowing them to simulate user inputs."
    }
  ]
}


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