GSD-2016-8637

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Aliases
Aliases
CVE-2016-8637
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{
  "GSD": {
    "alias": "CVE-2016-8637",
    "description": "A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when \u0027early cpio\u0027 is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.",
    "id": "GSD-2016-8637",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-8637.html",
      "https://advisories.mageia.org/CVE-2016-8637.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-8637"
      ],
      "details": "A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when \u0027early cpio\u0027 is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.",
      "id": "GSD-2016-8637",
      "modified": "2023-12-13T01:21:22.636680Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2016-8637",
        "STATE": "PUBLIC"
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      "affects": {
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            {
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                  {
                    "product_name": "dracut",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "045"
                        }
                      ]
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                  }
                ]
              },
              "vendor_name": "The Dracut Project"
            }
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          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
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      },
      "references": {
        "reference_data": [
          {
            "name": "http://seclists.org/oss-sec/2016/q4/352",
            "refsource": "MISC",
            "url": "http://seclists.org/oss-sec/2016/q4/352"
          },
          {
            "name": "http://www.securityfocus.com/bid/94128",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/94128"
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          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637"
          },
          {
            "name": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4",
            "refsource": "MISC",
            "url": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4"
          }
        ]
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    },
    "nvd.nist.gov": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "045",
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        "description": {
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              "value": "A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when \u0027early cpio\u0027 is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials."
            }
          ]
        },
        "problemtype": {
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        },
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          "reference_data": [
            {
              "name": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4",
              "refsource": "CONFIRM",
              "tags": [
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              "url": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637",
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              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637"
            },
            {
              "name": "[oss-security] 20161107 CVE-2016-8637: dracut creates world readble initramfs when early cpio is used",
              "refsource": "MLIST",
              "tags": [
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                "Mailing List",
                "Third Party Advisory"
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              "url": "http://seclists.org/oss-sec/2016/q4/352"
            },
            {
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            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-02-12T23:26Z",
      "publishedDate": "2018-08-01T13:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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