cnvd - cnvd-2016-10775

cnvd-2016-10775

Vulnerability from cnvd

Title: Dracut本地信息泄露漏洞

Description:

Dracut是一个initramfs基础设施，它主要用于创建initramfs镜像。

Dracut存在本地信息泄露漏洞，攻击者可利用漏洞获得敏感信息。

Severity: 中

Patch Name: Dracut本地信息泄露漏洞的补丁

Patch Description:

Dracut存在本地信息泄露漏洞，攻击者可利用漏洞获得敏感信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

用户可联系供应商获得补丁信息： https://www.kernel.org/pub/linux/utils/boot/dracut/dracut.html

Reference: http://www.securityfocus.com/bid/94128

Impacted products

Name
Dracut Dracut

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "94128"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-8637"
    }
  },
  "description": "Dracut\u662f\u4e00\u4e2ainitramfs\u57fa\u7840\u8bbe\u65bd\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u521b\u5efainitramfs\u955c\u50cf\u3002 \r\n\r\nDracut\u5b58\u5728\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u83b7\u5f97\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Andreas Stieger (SUSE Security Team).",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://www.kernel.org/pub/linux/utils/boot/dracut/dracut.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-10775",
  "openTime": "2016-11-09",
  "patchDescription": "Dracut\u5b58\u5728\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u83b7\u5f97\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Dracut\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dracut Dracut"
  },
  "referenceLink": "http://www.securityfocus.com/bid/94128",
  "serverity": "\u4e2d",
  "submitTime": "2016-11-08",
  "title": "Dracut\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

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

Vulnerability from cvelistv5

Published

2018-08-01 13:00

Modified

2024-08-06 02:27

Severity ?

5.0 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CWE

CWE-732

Summary

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.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637	x_refsource_CONFIRM
	https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/94128	vdb-entry, x_refsource_BID
	http://seclists.org/oss-sec/2016/q4/352	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	The Dracut Project	dracut	Version: 045

Show details on NVD website

JSON

To clipboard

{
  "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": [
            {
              "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 seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted