Document Title:
===============
Huawei Backup App - Mobile Reset Session Vulnerability 


Date:
=====
2018-07-29


References:
===========
https://www.vulnerability-lab.com/get_content.php?id=1987

Video:  https://www.youtube.com/watch?v=YAW9yL1CoW8

Advisory: https://www.vulnerability-lab.com/customer/get_private_content.php?id=1815



VL-ID:
=====
1978


Common Vulnerability Scoring System:
====================================
5.9


Report-Timeline:
================
2018-07-30: Public Disclosure (Vulnerability Laboratory)


Status:
========
Published


Exploitation-Technique:
=======================
Local


Severity:
=========
Medium


Details:
========
The vulnerability is located in the application folder `HuaweiBackup - BackupFiles` with the `Name of the Backup folder`. 
The vulnerability affects the file called `info.xml` which is storing the encrypted passwords inside. By modifying the 
`checkmsg` parameter value with another encrypted password type it is possible to bypass and reset the current password 
successfully. Due to our investigation Huawei Backup android application comes default to all huawei mobile products.


Credits:
========
Vulnerability-Lab [research@vulnerability-lab.com] - https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab


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===========
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