GSD-2023-4020

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.
Aliases
Aliases
CVE-2023-4020
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{
  "GSD": {
    "alias": "CVE-2023-4020",
    "id": "GSD-2023-4020"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-4020"
      ],
      "details": "An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.",
      "id": "GSD-2023-4020",
      "modified": "2023-12-13T01:20:27.323339Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "product-security@silabs.com",
        "ID": "CVE-2023-4020",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GSDK",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "1.0",
                          "version_value": "4.4.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "silabs.com"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-20",
                "lang": "eng",
                "value": "CWE-20 Improper Input Validation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/SiliconLabs/gecko_sdk/releases",
            "refsource": "MISC",
            "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
          },
          {
            "name": "https://community.silabs.com/069Vm0000004b95IAA",
            "refsource": "MISC",
            "url": "https://community.silabs.com/069Vm0000004b95IAA"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1CCF9CCF-153F-40B5-941A-A430C146C3BA",
                    "versionEndExcluding": "4.4.0",
                    "versionStartIncluding": "1.0.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory."
          },
          {
            "lang": "es",
            "value": "Una entrada no validada en una funci\u00f3n de librer\u00eda responsable de la comunicaci\u00f3n entre la memoria segura y no segura en la implementaci\u00f3n TrustZone de Silicon Labs permite la lectura/escritura de la memoria en la regi\u00f3n segura de la memoria desde la regi\u00f3n no segura de la memoria."
          }
        ],
        "id": "CVE-2023-4020",
        "lastModified": "2023-12-19T20:37:21.960",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 9.1,
                "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:N",
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              "impactScore": 5.2,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
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                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
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              },
              "exploitabilityScore": 2.5,
              "impactScore": 5.8,
              "source": "product-security@silabs.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2023-12-15T21:15:08.560",
        "references": [
          {
            "source": "product-security@silabs.com",
            "tags": [
              "Permissions Required"
            ],
            "url": "https://community.silabs.com/069Vm0000004b95IAA"
          },
          {
            "source": "product-security@silabs.com",
            "tags": [
              "Release Notes"
            ],
            "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
          }
        ],
        "sourceIdentifier": "product-security@silabs.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
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            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
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            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "product-security@silabs.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.