fkie_cve-2022-29223
Vulnerability from fkie_nvd
Published
2022-05-24 15:15
Modified
2025-10-27 13:57
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. In versions prior to 6.1.10, an attacker can cause a buffer overflow by providing the Azure RTOS USBX host stack a HUB descriptor with `bNbPorts` set to a value greater than `UX_MAX_TT` which defaults to 8. For a `bNbPorts` value of 255, the implementation of `ux_host_class_hub_descriptor_get` function will modify the contents of `hub` -> `ux_host_class_hub_device` -> `ux_device_hub_tt` array violating the end boundary by 255 - `UX_MAX_TT` items. The USB host stack needs to validate the number of ports reported by the hub, and if the value is larger than UX_MAX_TT, USB stack needs to reject the request. This fix has been included in USBX release 6.1.10.
References
security-advisories@github.comhttps://github.com/azure-rtos/usbx/releases/tag/v6.1.10_relRelease Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/azure-rtos/usbx/security/advisories/GHSA-2qc5-385m-x862Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/azure-rtos/usbx/releases/tag/v6.1.10_relRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/azure-rtos/usbx/security/advisories/GHSA-2qc5-385m-x862Release Notes, Third Party Advisory
Impacted products
Vendor Product Version
eclipse threadx_usbx *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:eclipse:threadx_usbx:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEF2B436-01FF-48B4-9055-B455338C74CB",
              "versionEndExcluding": "6.1.10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. In versions prior to 6.1.10, an attacker can cause a buffer overflow by providing the Azure RTOS USBX host stack a HUB descriptor with `bNbPorts` set to a value greater than `UX_MAX_TT` which defaults to 8. For a `bNbPorts` value of 255, the implementation of `ux_host_class_hub_descriptor_get` function will modify the contents of `hub` -\u003e `ux_host_class_hub_device` -\u003e `ux_device_hub_tt` array violating the end boundary by 255 - `UX_MAX_TT` items. The USB host stack needs to validate the number of ports reported by the hub, and if the value is larger than UX_MAX_TT, USB stack needs to reject the request. This fix has been included in USBX release 6.1.10."
    },
    {
      "lang": "es",
      "value": "Azure RTOS USBX es una pila insertada de host USB, dispositivo y on-the-go (OTG). En versiones anteriores a 6.1.10, un atacante puede causar un desbordamiento del b\u00fafer proporcionando a la pila del host Azure RTOS USBX un descriptor HUB con \"bNbPorts\" establecido en un valor mayor que \"UX_MAX_TT\", que por defecto es 8. Para un valor de \"bNbPorts\" de 255, la implementaci\u00f3n de la funci\u00f3n \"ux_host_class_hub_descriptor_get\" modificar\u00e1 el contenido del array \"hub\" -) \"ux_host_class_hub_device\" -) \"ux_device_hub_tt\" violando el l\u00edmite final en 255 - \"UX_MAX_TT\" elementos. La pila del host USB necesita comprobar el n\u00famero de puertos reportados por el hub, y si el valor es mayor que UX_MAX_TT, la pila USB necesita rechazar la petici\u00f3n. Esta correcci\u00f3n se ha incluido en versi\u00f3n 6.1.10 de USBX"
    }
  ],
  "id": "CVE-2022-29223",
  "lastModified": "2025-10-27T13:57:06.663",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-05-24T15:15:07.977",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/azure-rtos/usbx/releases/tag/v6.1.10_rel"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
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      "url": "https://github.com/azure-rtos/usbx/security/advisories/GHSA-2qc5-385m-x862"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/azure-rtos/usbx/releases/tag/v6.1.10_rel"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/azure-rtos/usbx/security/advisories/GHSA-2qc5-385m-x862"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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