msrc_cve-2023-33127
Vulnerability from csaf_microsoft
Published
2023-07-11 07:00
Modified
2023-07-14 07:00
Summary
.NET and Visual Studio Elevation of Privilege Vulnerability

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.


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{
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      acknowledgments: [
         {
            names: [
               "<a href=\"https://twitter.com/bohops\">Jimmy Bayne</a>",
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      notes: [
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            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",
         },
         {
            category: "general",
            text: "Required. The vulnerability documented by this CVE requires customer action to resolve.",
            title: "Customer Action",
         },
      ],
      publisher: {
         category: "vendor",
         contact_details: "secure@microsoft.com",
         name: "Microsoft Security Response Center",
         namespace: "https://msrc.microsoft.com",
      },
      references: [
         {
            category: "self",
            summary: "CVE-2023-33127 .NET and Visual Studio Elevation of Privilege Vulnerability - HTML",
            url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33127",
         },
         {
            category: "self",
            summary: "CVE-2023-33127 .NET and Visual Studio Elevation of Privilege Vulnerability - CSAF",
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         {
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            summary: "Common Vulnerability Scoring System",
            url: "https://www.first.org/cvss",
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      title: ".NET and Visual Studio Elevation of Privilege Vulnerability",
      tracking: {
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            date: "2025-01-01T01:51:50.795Z",
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               summary: "Information published.",
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               number: "2",
               summary: "Revised the Security Updates table to include PowerShell 7.2 and PowerShell 7.3 because these versions of PowerShell 7 are affected by this vulnerability. See [https://github.com/PowerShell/Announcements/issues/48](https://github.com/PowerShell/Announcements/issues/48) for more information.",
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   vulnerabilities: [
      {
         cve: "CVE-2023-33127",
         cwe: {
            id: "CWE-1220",
            name: "Insufficient Granularity of Access Control",
         },
         notes: [
            {
               category: "general",
               text: "Microsoft",
               title: "Assigning CNA",
            },
            {
               category: "faq",
               text: "The attacker would gain the rights of the user that is running the affected application.",
               title: "What privileges could be gained by an attacker who successfully exploited the vulnerability?",
            },
            {
               category: "faq",
               text: "An attacker could exploit this vulnerability by abusing the .NET diagnostics server to gain elevation of privileges.",
               title: "According to the CVSS metric, the attack vector is network (AV:N). How could an attacker exploit this vulnerability?",
            },
            {
               category: "faq",
               text: "Successful exploitation of this vulnerability requires an attacker to win a race condition and also to take additional actions prior to exploitation to prepare the target environment.",
               title: "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?",
            },
         ],
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         references: [
            {
               category: "self",
               summary: "CVE-2023-33127 .NET and Visual Studio Elevation of Privilege Vulnerability - HTML",
               url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33127",
            },
            {
               category: "self",
               summary: "CVE-2023-33127 .NET and Visual Studio Elevation of Privilege Vulnerability - CSAF",
               url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33127",
            },
         ],
         remediations: [
            {
               category: "vendor_fix",
               date: "2023-07-11T07:00:00.000Z",
               details: "6.0.20:Security Update:https://support.microsoft.com/help/5028705",
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               url: "https://support.microsoft.com/help/5028706",
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               category: "vendor_fix",
               date: "2023-07-11T07:00:00.000Z",
               details: "17.0.23:Security Update:https://docs.microsoft.com/en-us/visualstudio/releases/2022/release-notes-v17.0",
               product_ids: [
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               url: "https://docs.microsoft.com/en-us/visualstudio/releases/2022/release-notes-v17.0",
            },
            {
               category: "vendor_fix",
               date: "2023-07-11T07:00:00.000Z",
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               date: "2023-07-11T07:00:00.000Z",
               details: "17.4.9:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes",
               product_ids: [
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               url: "https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes",
            },
            {
               category: "vendor_fix",
               date: "2023-07-11T07:00:00.000Z",
               details: "17.6.5:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes",
               product_ids: [
                  "1",
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               url: "https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes",
            },
            {
               category: "vendor_fix",
               date: "2023-07-11T07:00:00.000Z",
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               details: "7.3.6:Security Update:https://github.com/PowerShell/Announcements/issues/48",
               product_ids: [
                  "2",
               ],
               url: "https://github.com/PowerShell/Announcements/issues/48",
            },
         ],
         scores: [
            {
               cvss_v3: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.1,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  environmentalsScore: 0,
                  exploitCodeMaturity: "PROOF_OF_CONCEPT",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  remediationLevel: "OFFICIAL_FIX",
                  reportConfidence: "CONFIRMED",
                  scope: "UNCHANGED",
                  temporalScore: 7.3,
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
                  version: "3.1",
               },
               products: [
                  "1",
                  "2",
                  "3",
                  "4",
                  "5",
                  "6",
                  "7",
                  "8",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               details: "Elevation of Privilege",
            },
            {
               category: "exploit_status",
               details: "Exploited:No;Latest Software Release:Exploitation Less Likely",
            },
         ],
         title: ".NET and Visual Studio Elevation of Privilege Vulnerability",
      },
   ],
}


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