MSRC_CVE-2022-21995

Vulnerability from csaf_microsoft - Published: 2022-02-08 08:00 - Updated: 2022-02-08 08:00
Summary
Windows Hyper-V Remote Code Execution Vulnerability
Severity
Important
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.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
Affected products
Product Identifier Version Remediation
Windows 10 for x64-based Systems 10.0.10240.19204
Windows 10 for x64-based Systems
10.0.10240.19204
Windows Server 2016 10.0.14393.4946
Windows Server 2016
10.0.14393.4946
Windows 10 Version 1607 for x64-based Systems 10.0.14393.4946
Windows 10 Version 1607 for x64-based Systems
10.0.14393.4946
Windows Server 2016 (Server Core installation) 10.0.14393.4946
Windows Server 2016 (Server Core installation)
10.0.14393.4946
Windows 10 Version 1809 for x64-based Systems 10.0.17763.2565
Windows 10 Version 1809 for x64-based Systems
10.0.17763.2565
Windows Server 2019 10.0.17763.2565
Windows Server 2019
10.0.17763.2565
Windows Server 2019 (Server Core installation) 10.0.17763.2565
Windows Server 2019 (Server Core installation)
10.0.17763.2565
Windows 10 Version 1909 for x64-based Systems 10.0.18363.2094
Windows 10 Version 1909 for x64-based Systems
10.0.18363.2094
Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1526
Windows Server, version 20H2 (Server Core Installation)
10.0.19042.1526
Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1526
Windows 10 Version 21H1 for x64-based Systems
10.0.19043.1526
Windows Server 2022 10.0.20348.525
Windows Server 2022
10.0.20348.525
Windows Server 2022 (Server Core installation) 10.0.20348.525
Windows Server 2022 (Server Core installation)
10.0.20348.525
Windows 11 version 21H2 for x64-based Systems 10.0.22000.493
Windows 11 version 21H2 for x64-based Systems
10.0.22000.493
Windows 10 Version 21H2 for x64-based Systems 10.0.19044.1526
Windows 10 Version 21H2 for x64-based Systems
10.0.19044.1526
Product Identifier Version Remediation
Windows 10 Version 21H2 for x64-based Systems <10.0.19044.1526
Windows 10 Version 21H2 for x64-based Systems
<10.0.19044.1526
Vendor Fix fix
Windows 11 version 21H2 for x64-based Systems <10.0.22000.493
Windows 11 version 21H2 for x64-based Systems
<10.0.22000.493
Vendor Fix fix
Windows Server 2022 (Server Core installation) <10.0.20348.525
Windows Server 2022 (Server Core installation)
<10.0.20348.525
Vendor Fix fix
Vendor Fix fix
Windows Server 2022 <10.0.20348.525
Windows Server 2022
<10.0.20348.525
Vendor Fix fix
Vendor Fix fix
Windows 10 Version 21H1 for x64-based Systems <10.0.19043.1526
Windows 10 Version 21H1 for x64-based Systems
<10.0.19043.1526
Vendor Fix fix
Windows Server, version 20H2 (Server Core Installation) <10.0.19042.1526
Windows Server, version 20H2 (Server Core Installation)
<10.0.19042.1526
Vendor Fix fix
Windows 10 Version 1909 for x64-based Systems <10.0.18363.2094
Windows 10 Version 1909 for x64-based Systems
<10.0.18363.2094
Vendor Fix fix
Windows Server 2019 (Server Core installation) <10.0.17763.2565
Windows Server 2019 (Server Core installation)
<10.0.17763.2565
Vendor Fix fix
Windows Server 2019 <10.0.17763.2565
Windows Server 2019
<10.0.17763.2565
Vendor Fix fix
Windows 10 Version 1809 for x64-based Systems <10.0.17763.2565
Windows 10 Version 1809 for x64-based Systems
<10.0.17763.2565
Vendor Fix fix
Windows Server 2016 (Server Core installation) <10.0.14393.4946
Windows Server 2016 (Server Core installation)
<10.0.14393.4946
Vendor Fix fix
Windows 10 Version 1607 for x64-based Systems <10.0.14393.4946
Windows 10 Version 1607 for x64-based Systems
<10.0.14393.4946
Vendor Fix fix
Windows Server 2016 <10.0.14393.4946
Windows Server 2016
<10.0.14393.4946
Vendor Fix fix
Windows 10 for x64-based Systems <10.0.10240.19204
Windows 10 for x64-based Systems
<10.0.10240.19204
Vendor Fix fix
Threats
Impact Remote Code Execution
Exploit Status Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely
Acknowledgments
<a href="https://twitter.com/rezer0dai">rezer0dai</a> with EatingFigs ENooPig

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      "notes": [
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          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "In this case, a successful attack could be performed from a low privilege Hyper-V guest. The attacker could traverse the guest\u0027s security boundary to execute code on the Hyper-V host execution environment.",
          "title": "According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an attacker to prepare the target environment to improve exploit reliability.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
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          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
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          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21995"
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      ],
      "remediations": [
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          "category": "vendor_fix",
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          "details": "10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351",
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          "product_ids": [
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          "url": "https://support.microsoft.com/help/5010358"
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          "product_ids": [
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            "13",
            "11"
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          "url": "https://support.microsoft.com/help/5010359"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "CHANGED",
            "temporalScore": 6.9,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Hyper-V Remote Code Execution Vulnerability"
    }
  ]
}


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Tags
Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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