cnvd - cnvd-2019-46264

cnvd-2019-46264

Vulnerability from cnvd

Title: grub2 grub2-set-bootflag实用程序存在未明漏洞

Description:

runc是一款用于根据OCI规范生成和运行容器的CLI（命令行界面）工具。

grub2中的grub2-set-bootflag实用程序存在安全漏洞，本地攻击者可利用该漏洞截断grub2配置文件，使设备无法在重启阶段启动系统。

Severity: 中

Patch Name: grub2 grub2-set-bootflag实用程序存在未明漏洞的补丁

Patch Description:

runc是一款用于根据OCI规范生成和运行容器的CLI（命令行界面）工具。

grub2中的grub2-set-bootflag实用程序存在安全漏洞，本地攻击者可利用该漏洞截断grub2配置文件，使设备无法在重启阶段启动系统。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/rhboot/grub2

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865 https://seclists.org/oss-sec/2019/q4/101

Impacted products

Name
Grub 2 grub2-set-bootflag

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-14865"
    }
  },
  "description": "runc\u662f\u4e00\u6b3e\u7528\u4e8e\u6839\u636eOCI\u89c4\u8303\u751f\u6210\u548c\u8fd0\u884c\u5bb9\u5668\u7684CLI\uff08\u547d\u4ee4\u884c\u754c\u9762\uff09\u5de5\u5177\u3002\n\ngrub2\u4e2d\u7684grub2-set-bootflag\u5b9e\u7528\u7a0b\u5e8f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u622a\u65adgrub2\u914d\u7f6e\u6587\u4ef6\uff0c\u4f7f\u8bbe\u5907\u65e0\u6cd5\u5728\u91cd\u542f\u9636\u6bb5\u542f\u52a8\u7cfb\u7edf\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/rhboot/grub2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-46264",
  "openTime": "2019-12-20",
  "patchDescription": "runc\u662f\u4e00\u6b3e\u7528\u4e8e\u6839\u636eOCI\u89c4\u8303\u751f\u6210\u548c\u8fd0\u884c\u5bb9\u5668\u7684CLI\uff08\u547d\u4ee4\u884c\u754c\u9762\uff09\u5de5\u5177\u3002\r\n\r\ngrub2\u4e2d\u7684grub2-set-bootflag\u5b9e\u7528\u7a0b\u5e8f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u622a\u65adgrub2\u914d\u7f6e\u6587\u4ef6\uff0c\u4f7f\u8bbe\u5907\u65e0\u6cd5\u5728\u91cd\u542f\u9636\u6bb5\u542f\u52a8\u7cfb\u7edf\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": "grub2 grub2-set-bootflag\u5b9e\u7528\u7a0b\u5e8f\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Grub 2 grub2-set-bootflag"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865\r\nhttps://seclists.org/oss-sec/2019/q4/101",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-02",
  "title": "grub2 grub2-set-bootflag\u5b9e\u7528\u7a0b\u5e8f\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2019-14865 (GCVE-0-2019-14865)

Vulnerability from cvelistv5

Published

2019-11-29 09:50

Modified

2025-02-13 16:27

Severity ?

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

CWE

CWE-267

Summary

A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.

References

▼	URL	Tags
	https://seclists.org/oss-sec/2019/q4/101	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2020:0335	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2024/02/06/3

Impacted products

	Vendor	Product	Version
	[UNKNOWN]	grub2	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:26:39.094Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://seclists.org/oss-sec/2019/q4/101"
          },
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            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865"
          },
          {
            "name": "RHSA-2020:0335",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2020:0335"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/02/06/3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "grub2",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-267",
              "description": "CWE-267",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-06T18:05:56.901Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://seclists.org/oss-sec/2019/q4/101"
        },
        {
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            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865"
        },
        {
          "name": "RHSA-2020:0335",
          "tags": [
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            "x_refsource_REDHAT"
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          "url": "https://access.redhat.com/errata/RHSA-2020:0335"
        },
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          "url": "http://www.openwall.com/lists/oss-security/2024/02/06/3"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2019-14865",
    "datePublished": "2019-11-29T09:50:12.000Z",
    "dateReserved": "2019-08-10T00:00:00.000Z",
    "dateUpdated": "2025-02-13T16:27:23.142Z",
    "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.

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