BlueStacks fails to restrict access permissions

Updated Date: 18 September 2019

Summary

Impact of Vulnerability BlueStacks fails to restrict access permissions
CVE Numbers CVE-2019-14220
Severity Rating Medium
CVSS v3 Base / Temporal Scores: Base: 5.9
Recommendations Install or update to latest BlueStacks App Player
Affected Versions Windows : BlueStacks 4.120 and below
Mac OS : BlueStacks 4.110 and below
Location of Updated Software http://www.bluestacks.com/download.html

Description

CVE-2019-14220.

BlueStacks employs Android running in a virtual machine (VM) to enable Android apps to run on Windows or MacOS. 

Bug is in a local arbitrary file read through a system service call. The impacted method runs with System admin privilege and if given the file name as parameter returns you the content of file. A malicious app using the affected method can then read the content of any system file which it is not authorized to read 

  • CVE-2019-14220: BlueStacks fails to restrict access permissions.

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14220

Remediation

Windows & MacOS

Download the product from http://www.bluestacks.com/download.html.

Install the updated Bluestacks Player using the usual update path.

Workaround

  • Download the latest version of BlueStacks from website .

Acknowledgements

Maciej Miszczyk from Seqred.pl

CVSS Scoring

Base Score 5.9
Attack Vector (AV) Local (L)
Attack Complexity (AC) High (H)
Privileges Required (PR) None (N)
User Interaction (UI) None (N)
Scope (S) Changed (C)
Confidentiality (C) High (H)
Integrity (I) None (N)
Availability (A) None (N)

https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Was this article helpful?
5 out of 22 found this helpful