bugtraq - Anhui Huami Mi Fit Android Application

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <CAHmS9PJzdk72xjjYRdNPP1iCGv8g=2TcDztPr2WP10OW0-LKqw@mail.gmail.com>
Date: Tue, 26 Nov 2019 09:50:59 -0500
From: David Coomber <davidcoomber.infosec@...il.com>
To: fulldisclosure@...lists.org, bugtraq@...urityfocus.com
Subject: Anhui Huami Mi Fit Android Application - Unencrypted Update Check

Anhui Huami Mi Fit Android Application - Unencrypted Update Check
-- 
https://www.info-sec.ca/advisories/Huami-Mi-Fit.html

Overview

"Mi Fit tracks your activity, analyzes sleep, and evaluates your workouts."

(https://play.google.com/store/apps/details?id=com.xiaomi.hm.health)

Issue

The Anhui Huami Mi Fit Android application (version 4.0.10 and below),
does not encrypt the connection when it checks for an update.

Impact

An attacker who can monitor network traffic may be able to tamper with
the application's update function.

Timeline

October 21, 2019 - Attempted to obtain a security contact via an email
to support@...zfit.com
October 22, 2019 - Provided the details to CERT/CC
October 23, 2019 - CERT/CC opened a case for tracking
November 4, 2019 - Attempted to obtain a security contact via an email
to security@...omi.com

Solution

Upgrade to version 4.0.11 or later