GSD-2020-25860

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.
Aliases
Aliases
CVE-2020-25860
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{
  "GSD": {
    "alias": "CVE-2020-25860",
    "description": "The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.",
    "id": "GSD-2020-25860"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "details": "The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.",
      "id": "GSD-2020-25860",
      "modified": "2023-12-13T01:21:56.801223Z",
      "schema_version": "1.4.0"
    }
  },
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      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Pengutronix RAUC",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions before 1.5"
                        }
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          }
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                "value": "Time-of-Check Time-of-Use (CWE-367)"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:H/Au:S/C:C/I:C/A:C",
            "version": "2.0"
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          "impactScore": 10.0,
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          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
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            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.7,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-12-29T14:36Z",
      "publishedDate": "2020-12-21T18:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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