SB2016031209 - Information disclosure in Google, Google Android

Description

This security bulletin contains information about 1 security vulnerability.

1) Information disclosure (CVE-ID: CVE-2016-0828)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The BnGraphicBufferConsumer::onTransact function in libs/gui/IGraphicBufferConsumer.cpp in mediaserver in Android 5.x before 5.1.1 LMY49H and 6.x before 2016-03-01 does not initialize a certain slot variable, which allows attackers to obtain sensitive information, and consequently bypass an unspecified protection mechanism, by triggering an ATTACH_BUFFER action, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 26338113.

Remediation

Install update from vendor's website.

References

• http://source.android.com/security/bulletin/2016-03-01.html
• http://www.securityfocus.com/bid/84261
• https://android.googlesource.com/platform/frameworks/native/+/dded8fdbb700d6cc498debc69a780915bc34d755