github - ghsa-ff72-fwj3-6gh6

ghsa-ff72-fwj3-6gh6

Vulnerability from github

Published

2023-07-20 03:30

Modified

2024-04-04 06:17

Severity ?

6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-28736"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-07-20T01:15:10Z",
    "severity": "HIGH"
  },
  "details": "There\u0027s a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn\u0027t support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2\u0027s memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.",
  "id": "GHSA-ff72-fwj3-6gh6",
  "modified": "2024-04-04T06:17:32Z",
  "published": "2023-07-20T03:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28736"
    },
    {
      "type": "WEB",
      "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20230825-0002"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2022-28736

Vulnerability from cvelistv5

Published

2023-07-20 00:23

Modified

2024-10-24 18:53

Severity ?

6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

There's a use-after-free vulnerability in grub_cmd_chainloader() function

References

▼	URL	Tags
	https://www.openwall.com/lists/oss-security/2022/06/07/5	mailing-list
	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736	issue-tracking
	https://security.netapp.com/advisory/ntap-20230825-0002/

Impacted products

▼	Vendor	Product
	GNU Project	GNU GRUB

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T06:03:52.084Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-28736",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-24T18:53:03.377740Z",
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        ],
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "packageName": "grub2",
          "platforms": [
            "Linux"
          ],
          "product": "GNU GRUB",
          "repo": "https://git.savannah.gnu.org/cgit/grub.git",
          "vendor": "GNU Project",
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      ],
      "credits": [
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          "type": "finder",
          "value": "Chris Coulson"
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      "datePublic": "2022-06-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "There\u0027s a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn\u0027t support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2\u0027s memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
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            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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    "state": "PUBLISHED"
  },
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  "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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