GSD-2023-6847

Vulnerability from gsd - Updated: 2023-12-16 06:01
Details
An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.
Aliases
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6847"
      ],
      "details": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.\n",
      "id": "GSD-2023-6847",
      "modified": "2023-12-16T06:01:29.586149Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "product-cna@github.com",
        "ID": "CVE-2023-6847",
        "STATE": "PUBLIC"
      },
      "affects": {
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                  {
                    "product_name": "Enterprise Server",
                    "version": {
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                        {
                          "version_affected": "\u003c",
                          "version_name": "3.9.0",
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                          "version_value": "3.10.4"
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            }
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            "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.\n"
          }
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      },
      "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
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      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-287",
                "lang": "eng",
                "value": "CWE-287 Improper Authentication"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4"
          },
          {
            "name": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B118EB53-4459-4817-8F74-002DBA4860DA",
                    "versionEndExcluding": "3.9.7",
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                    "versionStartIncluding": "3.10.0",
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                ],
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.\n"
          },
          {
            "lang": "es",
            "value": "Se identific\u00f3 una vulnerabilidad de autenticaci\u00f3n incorrecta en GitHub Enterprise Server que permit\u00eda omitir el Private Mode mediante el uso de una solicitud API especialmente manipulada. Para aprovechar esta vulnerabilidad, un atacante necesitar\u00eda acceso de red al dispositivo Enterprise Server configurado en Private Mode. Esta vulnerabilidad afect\u00f3 a todas las versiones de GitHub Enterprise Server desde la 3.9 y se solucion\u00f3 en las versiones 3.9.7, 3.10.4 y 3.11.1. Esta vulnerabilidad se inform\u00f3 a trav\u00e9s del programa GitHub Bug Bounty."
          }
        ],
        "id": "CVE-2023-6847",
        "lastModified": "2023-12-29T19:13:35.857",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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                "confidentialityImpact": "NONE",
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              "type": "Primary"
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        "published": "2023-12-21T21:15:15.340",
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            "source": "product-cna@github.com",
            "tags": [
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          },
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        "vulnStatus": "Analyzed",
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          }
        ]
      }
    }
  }
}


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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.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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