Heap Overflow in MediaServer (omx_video::allocate_input_buffer) (CVE-2016-6761)

Release Date:

December 6, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2016-00066-1

CVE ID(s):

CVE-2016-6761

Summary:

The following security vulnerabilities have been identified: CVE-2016-6761 In libOmxVenc.so, omx_video::allocate_input_buffer() allocates a buffer with the count "m_sInPortDef.nBufferCountActual", and then accesses the buffer with the "m_sInPortDef.nBufferCountActual" which has been modified by a malformed binder request, leading to a heap overflow.

Access Vector: Local

Security Risk: High

Access Vector: Local

Affected Versions:

All Android releases from CAF using the Linux kernel.

Patch:

We advise customers to apply the following patches:

Individual Patches

• CVE-2016-6761:

https://www.codeaurora.org/gitweb/quic/la/?p=platform/hardware/qcom/media.git;a=commit;h=567b416ba557b5b8edd8cb666a860100eb0ee697

 

Acknowledgement:

This issue was reported to Google by an external security researcher. Qualcomm Innovation Center, Inc. (QuIC) thanks Google for bringing this issue to QuIC's attention.

Revisions:

Initial

Contact: