FKIE_CVE-2020-28055

Vulnerability from fkie_nvd - Published: 2020-11-10 18:15 - Updated: 2024-11-21 05:22
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker, such as a malicious App, to read & write to the /data/vendor/tcl, /data/vendor/upgrade, and /var/TerminalManager directories within the TV file system. An attacker, such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder.
References
cve@mitre.orghttps://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.mdExploit, Third Party Advisory
cve@mitre.orghttps://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdfThird Party Advisory
cve@mitre.orghttps://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdfThird Party Advisory
cve@mitre.orghttps://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/Third Party Advisory
cve@mitre.orghttps://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/Third Party Advisory
cve@mitre.orghttps://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/Exploit, Third Party Advisory
cve@mitre.orghttps://sick.codes/sick-2020-012Exploit, Third Party Advisory
cve@mitre.orghttps://support.tcl.com/vulnerabilities-found-in-tcl-android-tvsVendor Advisory
cve@mitre.orghttps://twitter.com/johnjhacking/Third Party Advisory
cve@mitre.orghttps://twitter.com/sickcodes/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-012.mdExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/sickcodes/security/blob/master/etc/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://securityledger.com/2020/11/security-holes-opened-back-door-to-tcl-android-smart-tvs/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://securityledger.com/2020/11/tv-maker-tcl-denies-back-door-promises-better-process/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sick.codes/extraordinary-vulnerabilities-discovered-in-tcl-android-tvs-now-worlds-3rd-largest-tv-manufacturer/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sick.codes/sick-2020-012Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.tcl.com/vulnerabilities-found-in-tcl-android-tvsVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/johnjhacking/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/sickcodes/Third Party Advisory
Impacted products
Vendor Product Version
tcl 32s330_firmware *
tcl 32s330 -
tcl 40s330_firmware *
tcl 40s330 -
tcl 43s434_firmware *
tcl 43s434 -
tcl 50s434_firmware *
tcl 50s434 -
tcl 55s434_firmware *
tcl 55s434 -
tcl 65s434_firmware *
tcl 65s434 -
tcl 75s434_firmware *
tcl 75s434 -
To clipboard 

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  "descriptions": [
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      "lang": "en",
      "value": "A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker, such as a malicious App, to read \u0026 write to the /data/vendor/tcl, /data/vendor/upgrade, and /var/TerminalManager directories within the TV file system. An attacker, such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder."
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  "id": "CVE-2020-28055",
  "lastModified": "2024-11-21T05:22:17.723",
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
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          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
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        "obtainOtherPrivilege": false,
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  "published": "2020-11-10T18:15:12.137",
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  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-732"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.