Published:2024/07/08  Last Updated:2024/07/08

JVN#28515217
Cleartext transmission issue in TONE store App to TONE store

Overview

TONE store App contains a cleartext transmission issue to TONE store website.

Products Affected

  • TONE store App version 3.4.2 and earlier
TONE store App is pre-installed on TONE smartphone.

Description

TONE store App provided by DREAM TRAIN INTERNET INC. contains a cleartext transmission issue to TONE store website (CWE-419).

Impact

A man-in-the-middle attack may allow an attacker to obtain and/or alter communications of the affected App.

Solution

Update the application
Update the application to the latest version according to the information provided by the developer.
The application will be updated automatically when the internet connection settings are enabled.

Vendor Status

Vendor Status Last Update Vendor Notes
DREAM TRAIN INTERNET INC. Vulnerable 2024/07/08 DREAM TRAIN INTERNET INC. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score: 3.7
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)

Comment

This analysis assumes a man-in-the-middle attack being conducted by an attacker that places a malicious wireless LAN access point.

Credit

Kodai Karakawa reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2024-39886
JVN iPedia JVNDB-2024-000069