Vulnerability-Lookup

JVNDB-2023-003028

Vulnerability from jvndb - Published: 2023-08-30 01:05 - Updated:2024-04-24 02:43

Severity

3.3 (Low) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

Phoenix Technologies Windows kernel driver vulnerable to insufficient access control on its IOCTL

Details

Some of the Windows kernel drivers provided by Phoenix Technologies Inc. is vulnerable to insufficient access control on its IOCTL (CWE-782, CVE-2023-35841). Takahiro Haruyama of VMware reported this vulnerability to JPCERT/CC. JPCERT/CC coordinated with the developer.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU93886750/index.html
	JVN	https://jvn.jp/en/ta/JVNTA90371415/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2023-35841
	Exposed IOCTL with Insufficient Access Control(CWE-782)	https://cwe.mitre.org/data/definitions/782.html

Impacted products

Vendor

Product

Phoenix Technologies Inc.

TdkLib64.sys

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-003028.html",
  "dc:date": "2024-04-24T11:43+09:00",
  "dcterms:issued": "2023-08-30T10:05+09:00",
  "dcterms:modified": "2024-04-24T11:43+09:00",
  "description": "Some of the Windows kernel drivers provided by Phoenix Technologies Inc. is vulnerable to insufficient access control on its IOCTL (CWE-782, CVE-2023-35841).\r\n\r\nTakahiro Haruyama of VMware reported this vulnerability to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-003028.html",
  "sec:cpe": {
    "#text": "cpe:/a:phoenix:tdklib64.sys",
    "@product": "TdkLib64.sys",
    "@vendor": "Phoenix Technologies Inc.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "3.3",
    "@severity": "Low",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2023-003028",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU93886750/index.html",
      "@id": "JVNVU#93886750",
      "@source": "JVN"
    },
    {
      "#text": "https://jvn.jp/en/ta/JVNTA90371415/index.html",
      "@id": "JVNTA#90371415",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2023-35841",
      "@id": "CVE-2023-35841",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/782.html",
      "@id": "CWE-782",
      "@title": "Exposed IOCTL with Insufficient Access Control(CWE-782)"
    }
  ],
  "title": "Phoenix Technologies Windows kernel driver vulnerable to insufficient access control on its IOCTL"
}

CVE-2023-35841 (GCVE-0-2023-35841)

Vulnerability from cvelistv5 – Published: 2024-05-14 14:56 – Updated: 2025-07-28 20:49

Title

WinFlash Driver Permissions Issue

Summary

Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-14 18:32 UTC

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource
CWE-782 - Exposed IOCTL with Insufficient Access Control

Assigner

Phoenix CNA under the mitre root

CNA scorecard – unranked: 0 records in the last 180 days, 10 needed details

References

4 references

URL	Tags
https://phoenixtech.com/phoenix-security-notifica…
https://blogs.vmware.com/security/2023/10/hunting…
https://jvn.jp/en/vu/JVNVU93886750/index.html
https://www.phoenix.com/security-notifications/cv…	x_transferred

Impacted products

2 products

Vendor	Product	Version
Phoenix	WinFlash Driver	Affected: 0 , < 4.5.0.0 (semver)
phoenix	winflash_driver	Affected: 0 , < 4.5.0 (custom) cpe:2.3:a:phoenix:winflash_driver::::::::

Credits

Takahiro Haruyama of Broadcom

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:phoenix:winflash_driver:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "winflash_driver",
            "vendor": "phoenix",
            "versions": [
              {
                "lessThan": "4.5.0",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-35841",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-14T18:32:21.876164Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:18:27.432Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:30:45.376Z",
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        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.phoenix.com/security-notifications/cve-2023-35841/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU93886750/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "WinFlash Driver",
          "vendor": "Phoenix",
          "versions": [
            {
              "lessThan": "4.5.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Takahiro Haruyama of Broadcom"
        }
      ],
      "descriptions": [
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              "type": "text/html",
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            }
          ],
          "value": "Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-732",
              "description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-782",
              "description": "CWE-782 Exposed IOCTL with Insufficient Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T20:49:33.663Z",
        "orgId": "22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de",
        "shortName": "Phoenix"
      },
      "references": [
        {
          "url": "https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/"
        },
        {
          "url": "https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU93886750/index.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "WinFlash Driver Permissions Issue",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de",
    "assignerShortName": "Phoenix",
    "cveId": "CVE-2023-35841",
    "datePublished": "2024-05-14T14:56:14.743Z",
    "dateReserved": "2023-06-19T00:35:50.974Z",
    "dateUpdated": "2025-07-28T20:49:33.663Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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