CVE-2020-28055

Summary

CVECVE-2020-28055
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-11-10 18:15:00 UTC
Updated2020-12-08 18:38:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-732

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Tcl 32s330 - All All All
Hardware Tcl 32s330 - All All All
Operating System Tcl 32s330 Firmware All All All All
Operating System Tcl 32s330 Firmware All All All All
Hardware Tcl 40s330 - All All All
Hardware Tcl 40s330 - All All All
Operating System Tcl 40s330 Firmware All All All All
Operating System Tcl 40s330 Firmware All All All All
Hardware Tcl 43s434 - All All All
Hardware Tcl 43s434 - All All All
Operating System Tcl 43s434 Firmware All All All All
Operating System Tcl 43s434 Firmware All All All All
Hardware Tcl 50s434 - All All All
Hardware Tcl 50s434 - All All All
Operating System Tcl 50s434 Firmware All All All All
Operating System Tcl 50s434 Firmware All All All All
Hardware Tcl 55s434 - All All All
Hardware Tcl 55s434 - All All All
Operating System Tcl 55s434 Firmware All All All All
Operating System Tcl 55s434 Firmware All All All All
Hardware Tcl 65s434 - All All All
Hardware Tcl 65s434 - All All All
Operating System Tcl 65s434 Firmware All All All All
Operating System Tcl 65s434 Firmware All All All All
Hardware Tcl 75s434 - All All All
Hardware Tcl 75s434 - All All All
Operating System Tcl 75s434 Firmware All All All All
Operating System Tcl 75s434 Firmware All All All All

References

ReferenceSourceLinkTags
John Jackson (@johnjhacking) | Twitter MISC twitter.com Third Party Advisory
TV Maker TCL Denies Back Door, Promises Better Process | The Security Ledger MISC securityledger.com Third Party Advisory
security/CVE-2020-27403_CVE-2020-28055_GlobalFAQ.pdf at master · sickcodes/security · GitHub MISC github.com Third Party Advisory
TCL — Alert: Vulnerabilities found in TCL Android TVs MISC support.tcl.com Vendor Advisory
security/SICK-2020-012.md at master · sickcodes/security · GitHub MISC github.com Exploit, Third Party Advisory
CVE-2020-28055 - TCL Android Smart TV (All) - Incorrect Permission Assignment for Critical Vendor Resources - TCL Android TV Vendor Configuration & Upgrade Folders World Writable to Local Attacker - Sick Codes - Linux, NetSec, VPS, Arch, Debian, CentOS Tweaks & Tips! MISC sick.codes Exploit, Third Party Advisory
security/CVE-2020-27403_CVE-2020-28055_Press-Statement-and-Questions_11162020.pdf at master · sickcodes/security · GitHub MISC github.com Third Party Advisory
JavaScript is not available. MISC twitter.com Third Party Advisory
Security Holes Opened Back Door To TCL Android Smart TVs | The Security Ledger MISC securityledger.com Third Party Advisory
Extraordinary Vulnerabilities Discovered in TCL Android TVs, Now World’s 3rd Largest TV Manufacturer. - Sick Codes - Linux, NetSec, VPS, Arch, Debian, CentOS Tweaks & Tips! MISC sick.codes Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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