msrc_cve-2023-36558
Vulnerability from csaf_microsoft
Published
2023-11-14 08:00
Modified
2024-02-13 08:00
Summary
ASP.NET Core Security Feature Bypass 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.


To clipboard 

{
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         text: "Important",
      },
      category: "csaf_security_advisory",
      csaf_version: "2.0",
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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: [
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            category: "self",
            summary: "CVE-2023-36558 ASP.NET Core Security Feature Bypass Vulnerability - HTML",
            url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36558",
         },
         {
            category: "self",
            summary: "CVE-2023-36558 ASP.NET Core Security Feature Bypass Vulnerability - CSAF",
            url: "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-36558.json",
         },
         {
            category: "external",
            summary: "Microsoft Exploitability Index",
            url: "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1",
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         },
         {
            category: "external",
            summary: "Common Vulnerability Scoring System",
            url: "https://www.first.org/cvss",
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      ],
      title: "ASP.NET Core Security Feature Bypass Vulnerability",
      tracking: {
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         generator: {
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   vulnerabilities: [
      {
         cve: "CVE-2023-36558",
         notes: [
            {
               category: "general",
               text: "Microsoft",
               title: "Assigning CNA",
            },
            {
               category: "faq",
               text: "An unauthenticated attacker could bypass validations on Blazor Server forms.",
               title: "What kind of security feature could be bypassed by successfully exploiting this vulnerability?",
            },
            {
               category: "faq",
               text: "To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then trigger an event that could exploit the vulnerability to save an invalid state to a database or trigger other unintended actions, depending on what functionality the form provides.",
               title: "How could an attacker exploit this vulnerability?",
            },
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               category: "self",
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               url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36558",
            },
            {
               category: "self",
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               url: "https://github.com/dotnet/announcements/issues/288",
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         scores: [
            {
               cvss_v3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "NONE",
                  baseScore: 6.2,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "HIGH",
                  environmentalsScore: 0,
                  exploitCodeMaturity: "PROOF_OF_CONCEPT",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  remediationLevel: "OFFICIAL_FIX",
                  reportConfidence: "CONFIRMED",
                  scope: "UNCHANGED",
                  temporalScore: 5.6,
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
                  version: "3.1",
               },
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                  "4",
                  "5",
                  "6",
                  "7",
                  "8",
                  "9",
                  "10",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               details: "Security Feature Bypass",
            },
            {
               category: "exploit_status",
               details: "Exploited:No;Latest Software Release:Exploitation Less Likely",
            },
         ],
         title: "ASP.NET Core Security Feature Bypass Vulnerability",
      },
   ],
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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