Heap overflow vulnerability in rndis_ipa driver when using multiple writes to loop-back debugfs file (CVE-2016-5868)

Release Date:

April 17, 2017

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2017-00025-1

CVE ID(s):

CVE-2016-5868

Summary:

The following security vulnerabilities have been identified: CVE-2016-5868 If a user space application conducts two or more writes to rndis_ipa driver loop-back debugfs "loopback_enable" file after single open, a heap overflow occurs.

Access Vector: Local

Security Risk: Medium

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-2016-5868:

• https://source.codeaurora.org/quic/la//kernel/msm-3.10/commit/?id=dc85dc0b21b1ee3715ee6e80f405d5606ca5e8d2
• https://source.codeaurora.org/quic/la//kernel/msm-3.18/commit/?id=0ada77c044be09db1a35e4718209f41d05d27fe0
• https://source.codeaurora.org/quic/la//kernel/msm-4.4/commit/?id=fbb765a3f813f5cc85ddab21487fd65f24bf6a8c

Acknowledgement:

Qualcomm Innovation Center, Inc. (QuIC) thanks Yonggang Guo, Jianqiang Zhao and pjf (IceSword Lab, Qihoo 360) for bringing this issue to QuIC’s attention.

Revisions:

Initial revision

Contact: