Vulnerability-Lookup

ubuntu-cve-2023-34440

Vulnerability from osv_ubuntu

Published

2025-02-12 22:15

Modified

2025-02-12 22:15

Summary

Details

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

8.7 (High)


                    
                      CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-34440	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-34440	REPORT
	https://www.intel.com/content/www/us/en/security-…	REPORT
	https://github.com/intel/Intel-Linux-Processor-Mi…	REPORT
	https://intel.com/content/www/us/en/security-cent…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20210608.0ubuntu0.14.04.1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "1.20130906.1ubuntu3",
        "2.20140122.1",
        "2.20140430.1ubuntu1",
        "2.20140624-t-1ubuntu2",
        "3.20180108.0~ubuntu14.04.2",
        "3.20180108.0+really20170707ubuntu14.04.1",
        "3.20180312.0~ubuntu14.04.1",
        "3.20180425.1~ubuntu0.14.04.1",
        "3.20180425.1~ubuntu0.14.04.2",
        "3.20180807a.0ubuntu0.14.04.1",
        "3.20190514.0ubuntu0.14.04.1",
        "3.20190514.0ubuntu0.14.04.2",
        "3.20190618.0ubuntu0.14.04.1",
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        "3.20191115.1ubuntu0.14.04.2",
        "3.20200609.0ubuntu0.14.04.0",
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        "3.20201110.0ubuntu0.14.04.2",
        "3.20210608.0ubuntu0.14.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
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            }
          ],
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        }
      ],
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        "3.20170707.1~ubuntu16.04.0",
        "3.20180108.0~ubuntu16.04.2",
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        "3.20180312.0~ubuntu16.04.1",
        "3.20180425.1~ubuntu0.16.04.1",
        "3.20180425.1~ubuntu0.16.04.2",
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        "3.20190514.0ubuntu0.16.04.2",
        "3.20190618.0ubuntu0.16.04.1",
        "3.20191112-0ubuntu0.16.04.2",
        "3.20191115.1ubuntu0.16.04.1",
        "3.20191115.1ubuntu0.16.04.2",
        "3.20200609.0ubuntu0.16.04.0",
        "3.20200609.0ubuntu0.16.04.1",
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        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.18.04.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
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        "3.20171117.1",
        "3.20180108.1",
        "3.20180108.1+really20171117.1",
        "3.20180312.0~ubuntu18.04.1",
        "3.20180425.1~ubuntu0.18.04.1",
        "3.20180425.1~ubuntu0.18.04.2",
        "3.20180807a.0ubuntu0.18.04.1",
        "3.20190514.0ubuntu0.18.04.2",
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        "3.20191112-0ubuntu0.18.04.2",
        "3.20191115.1ubuntu0.18.04.1",
        "3.20191115.1ubuntu0.18.04.2",
        "3.20200609.0ubuntu0.18.04.0",
        "3.20200609.0ubuntu0.18.04.1",
        "3.20201110.0ubuntu0.18.04.1",
        "3.20201110.0ubuntu0.18.04.2",
        "3.20210216.0ubuntu0.18.04.1",
        "3.20210608.0ubuntu0.18.04.1",
        "3.20220510.0ubuntu0.18.04.1",
        "3.20220809.0ubuntu0.18.04.1",
        "3.20230214.0ubuntu0.18.04.1",
        "3.20230808.0ubuntu0.18.04.1+esm1",
        "3.20231114.0ubuntu0.18.04.1+esm1",
        "3.20240514.0ubuntu0.18.04.1+esm1",
        "3.20240813.0ubuntu0.18.04.1+esm2",
        "3.20240910.0ubuntu0.18.04.1+esm1",
        "3.20241112.0ubuntu0.18.04.1+esm1",
        "3.20250211.0ubuntu0.18.04.1+esm1",
        "3.20250512.0ubuntu0.18.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.20.04.1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20190918.1ubuntu1",
        "3.20191115.1ubuntu1",
        "3.20191115.1ubuntu2",
        "3.20191115.1ubuntu3",
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        "3.20200609.0ubuntu0.20.04.2",
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        "3.20201110.0ubuntu0.20.04.2",
        "3.20210216.0ubuntu0.20.04.1",
        "3.20210608.0ubuntu0.20.04.1",
        "3.20220510.0ubuntu0.20.04.1",
        "3.20220809.0ubuntu0.20.04.1",
        "3.20230214.0ubuntu0.20.04.1",
        "3.20230808.0ubuntu0.20.04.1",
        "3.20231114.0ubuntu0.20.04.1",
        "3.20240514.0ubuntu0.20.04.1",
        "3.20240813.0ubuntu0.20.04.2",
        "3.20240910.0ubuntu0.20.04.1",
        "3.20241112.0ubuntu0.20.04.1",
        "3.20250211.0ubuntu0.20.04.1",
        "3.20250512.0ubuntu0.20.04.1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
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      "versions": [
        "3.20210608.2ubuntu1",
        "3.20220510.0ubuntu0.22.04.1",
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        "3.20230214.0ubuntu0.22.04.1",
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        "3.20231114.0ubuntu0.22.04.1",
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        "3.20250211.0ubuntu0.22.04.1",
        "3.20250512.0ubuntu0.22.04.1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:24.10",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.24.10.1?arch=source\u0026distro=oracular"
      },
      "ranges": [
        {
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            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
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        "3.20240531.1+nmu1",
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        "3.20240813.0ubuntu3",
        "3.20240813.1",
        "3.20240813.2",
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        "3.20240813.2ubuntu2",
        "3.20240910.0ubuntu1",
        "3.20241112.0ubuntu0.24.10.1",
        "3.20250211.0ubuntu0.24.10.1",
        "3.20250512.0ubuntu0.24.10.1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20250512.0ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20230808.1",
        "3.20231114.0ubuntu1",
        "3.20231114.1",
        "3.20240312.1",
        "3.20240312.1build1",
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        "3.20250512.0ubuntu0.24.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.",
  "id": "UBUNTU-CVE-2023-34440",
  "modified": "2025-02-12T22:15:00Z",
  "published": "2025-02-12T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-34440"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-34440"
    },
    {
      "type": "REPORT",
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20250211"
    },
    {
      "type": "REPORT",
      "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-34440"
  ],
  "withdrawn": "2025-07-08T10:46:51Z"
}

CVE-2023-34440 (GCVE-0-2023-34440)

Vulnerability from cvelistv5 – Published: 2025-02-12 21:19 – Updated: 2025-11-03 20:35

Summary

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

Escalation of Privilege
CWE-20 - Improper Input Validation

Assigner

intel

References

2 references

URL	Tags
https://intel.com/content/www/us/en/security-cent…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
n/a	Intel(R) Processors	Affected: See references

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-34440",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-13T20:21:01.446720Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-13T20:21:05.988Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T20:35:35.346Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00021.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Intel(R) Processors",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "See references"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Escalation of Privilege",
              "lang": "en"
            },
            {
              "cweId": "CWE-20",
              "description": "Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-02-12T21:19:25.772Z",
        "orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
        "shortName": "intel"
      },
      "references": [
        {
          "name": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html",
          "url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
    "assignerShortName": "intel",
    "cveId": "CVE-2023-34440",
    "datePublished": "2025-02-12T21:19:25.772Z",
    "dateReserved": "2023-06-15T03:00:04.905Z",
    "dateUpdated": "2025-11-03T20:35:35.346Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2023-34440

Vulnerability from osv_ubuntu

CVE-2023-34440 (GCVE-0-2023-34440)

Tags

Sightings

Nomenclature