Escalation of privileges through a Heap Overflow in camera sensor driver (CVE-2016-6755)

Release Date:

December 6, 2016

Affected Projects:

Android for MSM Firefox OS for MSM QRD Android

Advisory ID:

QCIR-2016-00070-1

CVE ID(s):

CVE-2016-6755

Summary:

The following security vulnerabilities have been identified: CVE-2016-6755 When processing the VIDIOC_MSM_ACTUATOR_CFG ioctl command in the camera sensor driver a heap overflow can be caused if (a_ctrl->total_steps + 1) equals (a_ctrl->i2c_tbl_index) in the loop in the msm_actuator_parse_i2c_params() function.

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

https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm-3.18.git;a=commit;h=652c8005752b28c22107e928c28aabce1dfdde84

Acknowledgement:

This issue was reported to Google by Pengfei Ding(丁鹏飞) of Baidu X-LAB. Qualcomm Innovation Center, Inc. (QuIC) thanks Google for bringing this issue to QuIC's attention.

Revisions:

Initial

Contact:

security-advisory@quicinc.com