SB2018111430 - Input validation error in Google, Google Android

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2018-9525)

The vulnerability allows a local authenticated user to execute arbitrary code.

In the AndroidManifest.xml file defining the SliceBroadcastReceiver handler for com.android.settings.slice.action.WIFI_CHANGED, there is a possible permissions bypass due to a confused deputy. This could lead to local escalation of privilege, allowing a local attacker to change device settings, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-111330641

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/105848
• https://source.android.com/security/bulletin/2018-11-01