msrc_cve-2023-21751
Vulnerability from csaf_microsoft
Published
2023-12-12 08:00
Modified
2023-12-13 08:00
Summary
Azure DevOps Server Spoofing 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 

{
   document: {
      acknowledgments: [
         {
            names: [
               "<a href=\"https://twitter.com/agdosil\">Anton Garcia Dosil</a>",
            ],
         },
      ],
      aggregate_severity: {
         namespace: "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
         text: "Important",
      },
      category: "csaf_security_advisory",
      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",
         },
         {
            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-2023-21751 Azure DevOps Server Spoofing Vulnerability - HTML",
            url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21751",
         },
         {
            category: "self",
            summary: "CVE-2023-21751 Azure DevOps Server Spoofing Vulnerability - CSAF",
            url: "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-21751.json",
         },
         {
            category: "external",
            summary: "Microsoft Exploitability Index",
            url: "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1",
         },
         {
            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: "Azure DevOps Server Spoofing Vulnerability",
      tracking: {
         current_release_date: "2023-12-13T08:00:00.000Z",
         generator: {
            date: "2025-01-01T02:18:26.186Z",
            engine: {
               name: "MSRC Generator",
               version: "1.0",
            },
         },
         id: "msrc_CVE-2023-21751",
         initial_release_date: "2023-12-12T08:00:00.000Z",
         revision_history: [
            {
               date: "2023-12-13T08:00:00.000Z",
               legacy_version: "1",
               number: "1",
               summary: "Information published. This CVE was addressed by updates that were released in December 2023, but the CVE was inadvertently omitted from the December 2023 Security Updates. Microsoft strongly recommends that customers running affected versions of Azure DevOps Server install the December 2023 updates to be protected from this vulnerability.",
            },
         ],
         status: "final",
         version: "1",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  category: "product_version_range",
                  name: "<20231128.1",
                  product: {
                     name: "Azure DevOps Server 2022.1 <20231128.1",
                     product_id: "1",
                  },
               },
               {
                  category: "product_version",
                  name: "20231128.1",
                  product: {
                     name: "Azure DevOps Server 2022.1 20231128.1",
                     product_id: "12270",
                  },
               },
            ],
            category: "product_name",
            name: "Azure DevOps Server 2022.1",
         },
         {
            branches: [
               {
                  category: "product_version_range",
                  name: "<20231127.4",
                  product: {
                     name: "Azure DevOps Server 2020.1.2 <20231127.4",
                     product_id: "2",
                  },
               },
               {
                  category: "product_version",
                  name: "20231127.4",
                  product: {
                     name: "Azure DevOps Server 2020.1.2 20231127.4",
                     product_id: "12143",
                  },
               },
            ],
            category: "product_name",
            name: "Azure DevOps Server 2020.1.2",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2023-21751",
         cwe: {
            id: "CWE-284",
            name: "Improper Access Control",
         },
         notes: [
            {
               category: "general",
               text: "Microsoft",
               title: "Assigning CNA",
            },
            {
               category: "faq",
               text: "This means that an attacker needs to have a user account in the organization with the ability to run builds.",
               title: "According to the CVSS metric,privileges required is low(PR:L). What does that mean for this vulnerability?",
            },
            {
               category: "faq",
               text: "Successful exploitation compromises the integrity of the build verification process, allowing an attacker to spoof and bypass verification.",
               title: "According to the CVSS metric, successful exploitation of this vulnerability could impact the integrity(I:H). What does that mean for this vulnerability?",
            },
         ],
         product_status: {
            fixed: [
               "12143",
               "12270",
            ],
            known_affected: [
               "1",
               "2",
            ],
         },
         references: [
            {
               category: "self",
               summary: "CVE-2023-21751 Azure DevOps Server Spoofing Vulnerability - HTML",
               url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21751",
            },
            {
               category: "self",
               summary: "CVE-2023-21751 Azure DevOps Server Spoofing Vulnerability - CSAF",
               url: "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21751",
            },
         ],
         remediations: [
            {
               category: "vendor_fix",
               date: "2023-12-13T08:00:00.000Z",
               details: "20231128.1:Security Update:https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2022u1?view=azure-devops&tabs=yaml",
               product_ids: [
                  "1",
               ],
               url: "https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2022u1?view=azure-devops&tabs=yaml",
            },
            {
               category: "vendor_fix",
               date: "2023-12-13T08:00:00.000Z",
               details: "20231127.4:Security Update:https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2020u1?view=azure-devops",
               product_ids: [
                  "2",
               ],
               url: "https://learn.microsoft.com/en-us/azure/devops/server/release-notes/azuredevops2020u1?view=azure-devops",
            },
         ],
         scores: [
            {
               cvss_v3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 6.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  environmentalsScore: 0,
                  exploitCodeMaturity: "UNPROVEN",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  remediationLevel: "OFFICIAL_FIX",
                  reportConfidence: "CONFIRMED",
                  scope: "UNCHANGED",
                  temporalScore: 5.7,
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C",
                  version: "3.1",
               },
               products: [
                  "1",
                  "2",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               details: "Spoofing",
            },
            {
               category: "exploit_status",
               details: "Exploited:No;Latest Software Release:Exploitation Less Likely",
            },
         ],
         title: "Azure DevOps Server Spoofing Vulnerability",
      },
   ],
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.