GSD-2021-30605

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-30605",
    "description": "Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls.",
    "id": "GSD-2021-30605"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-30605"
      ],
      "details": "Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls.",
      "id": "GSD-2021-30605",
      "modified": "2023-12-13T01:23:30.680621Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "chrome-cve-admin@google.com",
        "ID": "CVE-2021-30605",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Chrome",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "1.0.2.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Google"
            }
          ]
        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Inappropriate implementation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://crbug.com/1240952",
            "refsource": "MISC",
            "url": "https://crbug.com/1240952"
          },
          {
            "name": "https://bit.ly/37CS6G9",
            "refsource": "MISC",
            "url": "https://bit.ly/37CS6G9"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:a:google:chrome_os_readiness_tool:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndExcluding": "1.0.2.0",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
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                    "cpe23Uri": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
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                    "cpe23Uri": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*",
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      "cve": {
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          "ASSIGNER": "chrome-cve-admin@google.com",
          "ID": "CVE-2021-30605"
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        "description": {
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              "value": "Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
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                  "value": "CWE-287"
                }
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://crbug.com/1240952",
              "refsource": "MISC",
              "tags": [
                "Permissions Required"
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              "url": "https://crbug.com/1240952"
            },
            {
              "name": "https://bit.ly/37CS6G9",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://bit.ly/37CS6G9"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-09-15T15:58Z",
      "publishedDate": "2021-09-08T21:15Z"
    }
  }
}


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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

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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.
  • 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.


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