gsd-2021-3917
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
Aliases
Aliases
CVE-2021-3917


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3917",
    "description": "A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.",
    "id": "GSD-2021-3917",
    "references": [
      "https://access.redhat.com/errata/RHSA-2021:4829",
      "https://access.redhat.com/errata/RHSA-2021:3758"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3917"
      ],
      "details": "A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.",
      "id": "GSD-2021-3917",
      "modified": "2023-12-13T01:23:35.361060Z",
      "schema_version": "1.4.0"
    }
  },
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      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "coreos-installer",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Fixed in coreos-installer 0.10.0"
                        }
                      ]
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                  }
                ]
              },
              "vendor_name": "n/a"
            }
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          }
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      },
      "problemtype": {
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            "description": [
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                "lang": "eng",
                "value": "CWE-276 - Incorrect Default Permissions"
              }
            ]
          }
        ]
      },
      "references": {
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            "name": "https://github.com/coreos/fedora-coreos-tracker/issues/889",
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            "refsource": "MISC",
            "url": "https://access.redhat.com/security/cve/CVE-2021-3917"
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        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-08-26T19:15Z",
      "publishedDate": "2022-08-23T20:15Z"
    }
  }
}


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