GSD-2022-24936

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.
Aliases
Aliases
CVE-2022-24936
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-24936",
    "id": "GSD-2022-24936"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-24936"
      ],
      "details": "Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.",
      "id": "GSD-2022-24936",
      "modified": "2023-12-13T01:19:42.858896Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "product-security@silabs.com",
        "ID": "CVE-2022-24936",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Gecko Bootloader",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "0"
                        }
                      ]
                    }
                  }
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              "vendor_name": "silabs.com"
            }
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            "value": "Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-119",
                "lang": "eng",
                "value": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1",
            "refsource": "MISC",
            "url": "https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1"
          },
          {
            "name": "https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c",
            "refsource": "MISC",
            "url": "https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c"
          }
        ]
      },
      "source": {
        "discovery": "INTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:silabs:gecko_bootloader:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.0.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
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        "description": {
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              "value": "Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
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              "url": "https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c"
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
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            "baseSeverity": "CRITICAL",
            "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:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2022-11-03T16:41Z",
      "publishedDate": "2022-11-02T18:15Z"
    }
  }
}


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  • 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.