CVE-2018-9543: Infoleak

Published Nov 5, 2018

Updated

In trimdevice of f2fsformatutils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.

Affected Software

7 affected components

Google Android=7.0

Google Android=7.1.1

Google Android=7.1.2

Google Android=8.0

Google Android=8.1

Google Android=9.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2018-11-01

Event History

Nov 5, 2018

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Nov 14, 2018

CVE Published

via MITRE·06:00 PM

Data Sourced

via MITRE·06:00 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2018-9543?

CVE-2018-9543 has been rated as a medium severity vulnerability.

How do I fix CVE-2018-9543?

To mitigate CVE-2018-9543, ensure your Android device is updated to the latest version provided by the manufacturer.

What type of information can be disclosed due to CVE-2018-9543?

CVE-2018-9543 could lead to local information disclosure, potentially exposing user data left on the device after a factory reset.

Which versions of Android are affected by CVE-2018-9543?

CVE-2018-9543 affects Android versions 7.0, 7.1.1, 7.1.2, 8.0, 8.1, and 9.0.

Is user interaction required to exploit CVE-2018-9543?

No, user interaction is not needed for exploitation of CVE-2018-9543.