Vulnerability-Lookup

WID-SEC-W-2025-1741

Vulnerability from csaf_certbund - Published: 2025-08-06 22:00 - Updated: 2025-12-11 23:00

Summary

TianoCore EDK2: Schwachstelle ermöglicht Privilegieneskalation

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

TianoCore EDK2 ist die Referenzimplementierung von UEFI von Intel.

Angriff

Ein lokaler Angreifer kann eine Schwachstelle in TianoCore EDK2 ausnutzen, um seine Privilegien zu erhöhen.

Betroffene Betriebssysteme

- Sonstiges

JSON

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{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "TianoCore EDK2 ist die Referenzimplementierung von UEFI von Intel.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in TianoCore EDK2 ausnutzen, um seine Privilegien zu erh\u00f6hen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-1741 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1741.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-1741 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1741"
      },
      {
        "category": "external",
        "summary": "TianoCore GitHub vom 2025-08-06",
        "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-vx5v-4gg6-6qxr"
      },
      {
        "category": "external",
        "summary": "Lenovo Security Advisory vom 2025-08-06",
        "url": "https://support.lenovo.com/us/en/product_security/LEN-198949"
      },
      {
        "category": "external",
        "summary": "AMD Securtiy Bulletin vom 2025-08-06",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7043.html"
      },
      {
        "category": "external",
        "summary": "Intel Security Announcement vom 2025-08-06",
        "url": "https://www.intel.com/content/www/us/en/security-center/announcement/intel-security-announcement-2025-08-06-001.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2025-2975 vom 2025-08-19",
        "url": "https://alas.aws.amazon.com/AL2/ALAS2-2025-2975.html"
      },
      {
        "category": "external",
        "summary": "Insyde Security Advisory INSYDE-SA-2025008 vom 2025-09-05",
        "url": "https://www.insyde.com/security-pledge/sa-2025008/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7894-1 vom 2025-11-26",
        "url": "https://ubuntu.com/security/notices/USN-7894-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2025-20669 vom 2025-12-03",
        "url": "https://linux.oracle.com/errata/ELSA-2025-20669.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2025-28047 vom 2025-12-12",
        "url": "https://linux.oracle.com/errata/ELSA-2025-28047.html"
      }
    ],
    "source_lang": "en-US",
    "title": "TianoCore EDK2: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2025-12-11T23:00:00.000+00:00",
      "generator": {
        "date": "2025-12-12T09:16:12.365+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-1741",
      "initial_release_date": "2025-08-06T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-08-06T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-08-19T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2025-09-04T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Insyde aufgenommen"
        },
        {
          "date": "2025-11-26T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2025-12-03T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2025-12-11T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Insyde UEFI Firmware",
            "product": {
              "name": "Insyde UEFI Firmware",
              "product_id": "T034716",
              "product_identification_helper": {
                "cpe": "cpe:/h:insyde:uefi:kernel"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Insyde"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c=202508",
                "product": {
                  "name": "TianoCore EDK2 \u003c=202508",
                  "product_id": "T045947"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=202508",
                "product": {
                  "name": "TianoCore EDK2 \u003c=202508",
                  "product_id": "T045947-fixed"
                }
              }
            ],
            "category": "product_name",
            "name": "EDK2"
          }
        ],
        "category": "vendor",
        "name": "TianoCore"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-3770",
      "product_status": {
        "known_affected": [
          "T034716",
          "T000126",
          "398363",
          "T004914"
        ],
        "last_affected": [
          "T045947"
        ]
      },
      "release_date": "2025-08-06T22:00:00.000+00:00",
      "title": "CVE-2025-3770"
    }
  ]
}

CVE-2025-3770 (GCVE-0-2025-3770)

Vulnerability from cvelistv5 – Published: 2025-08-07 00:42 – Updated: 2025-08-07 13:28

Title

SMM IDT Privilege Escalation Vulnerability

Summary

EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability.

Severity ?

7 (High)


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

CWE

CWE-693 - Protection Mechanism Failure

Assigner

TianoCore

References

URL

Tags

https://github.com/tianocore/edk2/security/adviso…

Impacted products

	Vendor	Product	Version
	TianoCore	EDK2	Affected: 0 , ≤ edk2-stable202505 (Custom)

Credits

Christopher Domas

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-3770",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-07T13:28:05.514885Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        ],
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "UefiCpuPkg",
          "product": "EDK2",
          "vendor": "TianoCore",
          "versions": [
            {
              "lessThanOrEqual": "edk2-stable202505",
              "status": "affected",
              "version": "0",
              "versionType": "Custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Christopher Domas"
        }
      ],
      "datePublic": "2025-08-07T00:41:00.000Z",
      "descriptions": [
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              "type": "text/html",
              "value": "EDK2 contains a vulnerability in BIOS where an attacker may cause \u201cProtection Mechanism Failure\u201d by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability."
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          ],
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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              "cweId": "CWE-693",
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      "providerMetadata": {
        "dateUpdated": "2025-08-07T00:42:14.628Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-vx5v-4gg6-6qxr"
        }
      ],
      "source": {
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      "title": "SMM IDT Privilege Escalation Vulnerability",
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    "datePublished": "2025-08-07T00:42:14.628Z",
    "dateReserved": "2025-04-17T16:10:59.678Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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

WID-SEC-W-2025-1741

CVE-2025-3770 (GCVE-0-2025-3770)

Tags

Sightings

Nomenclature