GSD-2022-46255

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
An improper limitation of a pathname to a restricted directory vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. A check was added within Pages to ensure the working directory is clean before unpacking new content to prevent an arbitrary file overwrite bug. This vulnerability affected only version 3.7.0 of GitHub Enterprise Server and was fixed in version 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.
Aliases
Aliases
CVE-2022-46255
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-46255",
    "id": "GSD-2022-46255"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-46255"
      ],
      "details": "An improper limitation of a pathname to a restricted directory vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. A check was added within Pages to ensure the working directory is clean before unpacking new content to prevent an arbitrary file overwrite bug. This vulnerability affected only version 3.7.0 of GitHub Enterprise Server and was fixed in version 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.",
      "id": "GSD-2022-46255",
      "modified": "2023-12-13T01:19:37.920345Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "product-cna@github.com",
        "ID": "CVE-2022-46255",
        "STATE": "PUBLIC",
        "TITLE": "Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitHub Enterprise Server",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "3.7",
                          "version_value": "3.7.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GitHub"
            }
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          }
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      "problemtype": {
        "problemtype_data": [
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            "description": [
              {
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                "value": "CWE-22"
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.1",
            "refsource": "MISC",
            "url": "https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.1"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
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        "nodes": [
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            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:github:enterprise_server:3.7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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            "operator": "OR"
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          "ID": "CVE-2022-46255"
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        "description": {
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            }
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        "problemtype": {
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-12-16T21:18Z",
      "publishedDate": "2022-12-14T18:15Z"
    }
  }
}


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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.



Detection rules are retrieved from Rulezet.