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": [
    {
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      "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"
    },
    {
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    }
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  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-28736 (GCVE-0-2022-28736)

Vulnerability from cvelistv5

Published

2023-07-20 00:23

Modified

2025-02-13 16:32

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; 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.

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	Version
	GNU Project	GNU GRUB	Version: 0 ≤

Show details on NVD website

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