github - ghsa-hmmc-9q6p-vgg6

ghsa-hmmc-9q6p-vgg6

Vulnerability from github

Published

2022-05-24 17:43

Modified

2022-05-24 17:43

Severity ?

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

Details

A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-20225"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-03T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
  "id": "GHSA-hmmc-9q6p-vgg6",
  "modified": "2022-05-24T17:43:32Z",
  "published": "2022-05-24T17:43:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20225"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1924696"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202104-05"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220325-0001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-20225

Vulnerability from cvelistv5

Published

2021-03-03 16:44

Modified

2024-08-03 17:30

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1924696	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202104-05	vendor-advisory, x_refsource_GENTOO
	https://security.netapp.com/advisory/ntap-20220325-0001/	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

n/a

grub2

Version: grub 2.06

Show details on NVD website

JSON

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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1924696"
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          },
          {
            "name": "GLSA-202104-05",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
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            "url": "https://security.gentoo.org/glsa/202104-05"
          },
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            ],
            "url": "https://security.netapp.com/advisory/ntap-20220325-0001/"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "grub2",
          "vendor": "n/a",
          "versions": [
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        }
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}

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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