FKIE_CVE-2019-16241

Vulnerability from fkie_nvd - Published: 2019-11-26 16:15 - Updated: 2024-11-21 04:30
Severity
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.
References
cve@mitre.orghttps://www.nccgroup.trust/uk/our-research/?research=Technical+advisoriesThird Party Advisory
cve@mitre.orghttps://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#CExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.nccgroup.trust/uk/our-research/?research=Technical+advisoriesThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#CExploit, Third Party Advisory
Impacted products
Vendor Product Version
alcatelmobile cingular_flip_2_firmware b9huah1
alcatelmobile cingularl_flip_2 -
To clipboard 

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  "descriptions": [
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      "lang": "en",
      "value": "On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB."
    },
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      "lang": "es",
      "value": "En los dispositivos TCL Alcatel Cingular Flip 2 B9HUAH1, se puede omitir la identificaci\u00f3n de PIN al crear un archivo especial dentro del directorio /data/local/tmp/. La aplicaci\u00f3n del sistema que implementa la pantalla de bloqueo comprueba la existencia de un archivo espec\u00edfico y deshabilita la autenticaci\u00f3n PIN si existe. Este archivo com\u00fanmente es creado por medio de Android Debug Bridge (adb) mediante USB."
    }
  ],
  "id": "CVE-2019-16241",
  "lastModified": "2024-11-21T04:30:21.487",
  "metrics": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
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          "baseSeverity": "MEDIUM",
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  "vulnStatus": "Modified",
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}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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