cve-2022-28735
Vulnerability from cvelistv5
Published
2023-07-20 00:22
Modified
2024-10-24 19:20
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
References
security@ubuntu.comhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735Third Party Advisory
security@ubuntu.comhttps://security.netapp.com/advisory/ntap-20230825-0002/
security@ubuntu.comhttps://www.openwall.com/lists/oss-security/2022/06/07/5Mailing List, Third Party Advisory
Impacted products
GNU ProjectGNU GRUB
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T06:03:52.586Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "mailing-list",
              "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-2022-28735"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-28735",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-24T19:20:44.888610Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-24T19:20:56.235Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "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",
          "versions": [
            {
              "lessThan": "2.06-3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Julian Andres Klode"
        }
      ],
      "datePublic": "2022-06-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The GRUB2\u0027s shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-20T15:37:47.032Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2022-28735",
    "datePublished": "2023-07-20T00:22:51.229Z",
    "dateReserved": "2022-04-05T21:59:08.760Z",
    "dateUpdated": "2024-10-24T19:20:56.235Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-28735\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2023-07-20T01:15:10.320\",\"lastModified\":\"2023-08-25T23:15:09.583\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"The GRUB2\u0027s shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.00\",\"versionEndExcluding\":\"2.06-3\",\"matchCriteriaId\":\"F969F462-AB12-4158-BBA9-A9D828434F9F\"}]}]}],\"references\":[{\"url\":\"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230825-0002/\",\"source\":\"security@ubuntu.com\"},{\"url\":\"https://www.openwall.com/lists/oss-security/2022/06/07/5\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.