Vulnerability-Lookup

CNVD-2016-10775

Vulnerability from cnvd - Published: 2016-11-09

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 – Updated: 2024-08-06 02:27

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.

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 redhat root

References

4 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

1 product

Vendor	Product	Version
The Dracut Project	dracut	Affected: 045

Date Public

2016-11-07 00:00

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": "2016-11-07T00:00:00.000Z",
      "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": "2018-08-02T09:57:01.000Z",
        "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": "2018-08-01T13:00:00.000Z",
    "dateReserved": "2016-10-12T00:00:00.000Z",
    "dateUpdated": "2024-08-06T02:27:41.222Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.