FPII-2519 : Elevation of privilege vulnerability in Synaptics touchscreen driver CVE-2016-6742 A-30799828

High

An elevation of privilege vulnerability in the Synaptics touchscreen driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process.

Additional technical details:

A-30799828

In the fwu_sysfs_store_image function, there is no validation of the count variable leading to a potential heap overflow.

The fix is designed to add additional bounds checks to prevent the potential heap overflow.

Code snippet provided in bulletin patches zip file in the Downloads section: https://support.google.com/androidpartners_security/answer/7169146?hl=en&ref_topic=6353496#downloads

Change-Id: If99d8b69ed65a81cb81ce2dfa118a575ca511bf1
1 file changed