CVE intelligence and bounded remediation

CVE-2023-38292 — Certain software builds for the TCL 20XE Android device contain a vulnerable, pre-installed app with a package name of...

High CVSS 8.7

Certain software builds for the TCL 20XE Android device contain a vulnerable, pre-installed app with a package name of com.tct.gcs.hiddenmenuproxy (versionCode='2', versionName='v11.0.1.0.0201.0') that allows local third-party apps to programmatically perform a factory reset due to inadequate access control. No permissions or special privileges are necessary to exploit the vulnerability in the com.tct.gcs.hiddenmenuproxy app. No user interaction is required beyond installing and running a third-party app. The software build fingerprints for each confirmed vulnerable build are as follows: TCL/5087Z_BO/Doha_TMO:11/RP1A.200720.011/PB7I-0:user/release-keys and TCL/5087Z_BO/Doha_TMO:11/RP1A.200720.011/PB83-0:user/release-keys. This malicious app sends a broadcast intent to the exported com.tct.gcs.hiddenmenuproxy/.rtn.FactoryResetReceiver receiver component, which initiates a programmatic factory reset.

Severity
High
CVSS
8.7 (3.1)
Published
2024-04-22
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-269

Affected products

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Matched remediation archetype

Privilege escalation and unsafe privilege management

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Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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