github - ghsa-wf9g-696p-j466

GHSA-WF9G-696P-J466

Vulnerability from github – Published: 2022-05-13 01:38 – Updated: 2022-05-13 01:38

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.

Severity ?

7.8 (High)


                  
                    CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2016-8637"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-08-01T13:29:00Z",
    "severity": "HIGH"
  },
  "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": "GHSA-wf9g-696p-j466",
  "modified": "2022-05-13T01:38:38Z",
  "published": "2022-05-13T01:38:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-8637"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/oss-sec/2016/q4/352"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/94128"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-8637 (GCVE-0-2016-8637)

Vulnerability from cvelistv5 – Published: 2018-08-01 13:00 – Updated: 2024-08-06 02:27

Summary

Severity ?

5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CWE

CWE-732

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
	https://github.com/dracutdevs/dracut/commit/0db98…	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/94128	vdb-entryx_refsource_BID
	http://seclists.org/oss-sec/2016/q4/352	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	The Dracut Project	dracut	Affected: 045

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:27:41.222Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4"
          },
          {
            "name": "94128",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94128"
          },
          {
            "name": "[oss-security] 20161107 CVE-2016-8637: dracut creates world readble initramfs when early cpio is used",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://seclists.org/oss-sec/2016/q4/352"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "dracut",
          "vendor": "The Dracut Project",
          "versions": [
            {
              "status": "affected",
              "version": "045"
            }
          ]
        }
      ],
      "datePublic": "2016-11-07T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "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",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-732",
              "description": "CWE-732",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-08-02T09:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4"
        },
        {
          "name": "94128",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94128"
        },
        {
          "name": "[oss-security] 20161107 CVE-2016-8637: dracut creates world readble initramfs when early cpio is used",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://seclists.org/oss-sec/2016/q4/352"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-8637",
    "datePublished": "2018-08-01T13:00:00",
    "dateReserved": "2016-10-12T00:00:00",
    "dateUpdated": "2024-08-06T02:27:41.222Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-WF9G-696P-J466

CVE-2016-8637 (GCVE-0-2016-8637)

Tags

Sightings

Nomenclature