Google releases January 2017 Android Security Bulletin and Google Device Images

Google has released the January 2017 Android Security Bulletin. Partners have had access to the warnings in this month’s bulletin since December 5, 2016 or earlier.

The January bulletin has two security patch levels to provide Android partners with the flexibility to more quickly fix a subset of vulnerabilities that are similar across all Android devices.

2017-01-01: Partial security patch level string. This security patch level string indicates that all issues associated with 2017-01-01 (and all previous security patch level strings) are addressed.

2017-01-05: Complete security patch level string. This security patch level string indicates that all issues associated with 2017-01-01 and 2017-01-05 (and all previous security patch level strings) are addressed.

Supported Google devices will receive a single OTA update with the January 05, 2017 security patch level

The most severe of these issues is a Critical security vulnerability that could enable remote code execution on an affected device through multiple methods such as email, web browsing, and MMS when processing media files.

Alongside the bulletin, Google have released a security update to Google devices through an over-the-air (OTA) update. The Google device firmware images have also been released to the Google Developer site. Security patch levels of January 05, 2017 or later address all of these issues.

The tables below contains a list of security vulnerabilities, the Common Vulnerability and Exposures ID (CVE), the assessed severity, and whether or not Google devices are affected. The severity assessment is based on the effect that exploiting the vulnerability would possibly have on an affected device, assuming the platform and service mitigations are disabled for development purposes or if successfully bypassed.

Security patch levels of 2017-01-01 or later must address the following issues.
[table style=”table-striped”]

IssueCVESeverityAffects Google devices?
Remote code execution vulnerability in MediaserverCVE-2017-0381CriticalYes
Remote code execution vulnerability in c-aresCVE-2016-5180HighYes
Remote code execution vulnerability in FramesequenceCVE-2017-0382HighYes
Elevation of privilege vulnerability in Framework APIsCVE-2017-0383HighYes
Elevation of privilege vulnerability in AudioserverCVE-2017-0384, CVE-2017-0385HighYes
Elevation of privilege vulnerability in libnlCVE-2017-0386HighYes
Elevation of privilege vulnerability in MediaserverCVE-2017-0387HighYes
Information disclosure vulnerability in External Storage ProviderCVE-2017-0388HighYes
Denial of service vulnerability in core networkingCVE-2017-0389HighYes
Denial of service vulnerability in MediaserverCVE-2017-0390, CVE-2017-0391, CVE-2017-0392, CVE-2017-0393HighYes
Denial of service vulnerability in TelephonyCVE-2017-0394HighYes
Elevation of privilege vulnerability in ContactsCVE-2017-0395ModerateYes
Information disclosure vulnerability in MediaserverCVE-2017-0396, CVE-2017-0397ModerateYes
Information disclosure vulnerability in AudioserverCVE-2017-0398, CVE-2017-0399, CVE-2017-0400, CVE-2017-0401, CVE-2017-0402ModerateYes

[/table]

Security patch levels of 2017-01-05 or later must address all of the 2017-01-01 issues, as well as the following issues.
[table style=”table-striped”]

IssueCVESeverityAffects Google devices?
Elevation of privilege vulnerability in kernel memory subsystemCVE-2015-3288CriticalYes
Elevation of privilege vulnerability in Qualcomm bootloaderCVE-2016-8422, CVE-2016-8423CriticalYes
Elevation of privilege vulnerability in kernel file systemCVE-2015-5706CriticalNo*
Elevation of privilege vulnerability in NVIDIA GPU driverCVE-2016-8424, CVE-2016-8425, CVE-2016-8426, CVE-2016-8482, CVE-2016-8427, CVE-2016-8428, CVE-2016-8429, CVE-2016-8430, CVE-2016-8431, CVE-2016-8432CriticalYes
Elevation of privilege vulnerability in MediaTek driverCVE-2016-8433CriticalNo*
Elevation of privilege vulnerability in Qualcomm GPU driverCVE-2016-8434CriticalYes
Elevation of privilege vulnerability in NVIDIA GPU driverCVE-2016-8435CriticalYes
Elevation of privilege vulnerability in Qualcomm video driverCVE-2016-8436CriticalNo*
Vulnerabilities in Qualcomm componentsCVE-2016-5080, CVE-2016-8398, CVE-2016-8437, CVE-2016-8438, CVE-2016-8439, CVE-2016-8440, CVE-2016-8441, CVE-2016-8442, CVE-2016-8443, CVE-2016-8459CriticalNo*
Elevation of privilege vulnerability in Qualcomm cameraCVE-2016-8412, CVE-2016-8444HighYes
Elevation of privilege vulnerability in MediaTek componentsCVE-2016-8445, CVE-2016-8446, CVE-2016-8447, CVE-2016-8448HighNo*
Elevation of privilege vulnerability in Qualcomm Wi-Fi driverCVE-2016-8415HighYes
Elevation of privilege vulnerability in NVIDIA GPU driverCVE-2016-8449HighYes
Elevation of privilege vulnerability in Qualcomm sound driverCVE-2016-8450HighYes
Elevation of privilege vulnerability in Synaptics touchscreen driverCVE-2016-8451HighNo*
Elevation of privilege vulnerability in kernel security subsystemCVE-2016-7042HighYes
Elevation of privilege vulnerability in kernel performance subsystemCVE-2017-0403HighYes
Elevation of privilege vulnerability in kernel sound subsystemCVE-2017-0404HighYes
Elevation of privilege vulnerability in Qualcomm Wi-Fi driverCVE-2016-8452HighYes
Elevation of privilege vulnerability in Qualcomm radio driverCVE-2016-5345HighYes
Elevation of privilege vulnerability in kernel profiling subsystemCVE-2016-9754HighYes
Elevation of privilege vulnerability in Broadcom Wi-Fi driverCVE-2016-8453, CVE-2016-8454, CVE-2016-8455, CVE-2016-8456, CVE-2016-8457HighYes
Elevation of privilege vulnerability in Synaptics touchscreen driverCVE-2016-8458HighYes
Information disclosure vulnerability in NVIDIA video driverCVE-2016-8460HighYes
Information disclosure vulnerability in bootloaderCVE-2016-8461, CVE-2016-8462HighYes
Denial of service vulnerability in Qualcomm FUSE file systemCVE-2016-8463HighNo*
Denial of service vulnerability in bootloaderCVE-2016-8467HighYes
Elevation of privilege vulnerability in Broadcom Wi-Fi driverCVE-2016-8464, CVE-2016-8465, CVE-2016-8466ModerateYes
Elevation of privilege vulnerability in bootloaderCVE-2016-8467ModerateYes
Elevation of privilege vulnerability in BinderCVE-2016-8468ModerateYes
Information disclosure vulnerability in NVIDIA camera driverCVE-2016-8469ModerateYes
Information disclosure vulnerability in MediaTek driverCVE-2016-8470, CVE-2016-8471, CVE-2016-8472ModerateNo*
Information disclosure vulnerability in STMicroelectronics driverCVE-2016-8473, CVE-2016-8474ModerateYes
Information disclosure vulnerability in Qualcomm audio post processorCVE-2017-0399, CVE-2017-0400, CVE-2017-0401, CVE-2017-0402ModerateYes
Information disclosure vulnerability in HTC input driverCVE-2016-8475ModerateYes
Denial of service vulnerability in kernel file systemCVE-2014-9420ModerateYes

[/table]

Android and Google Service Mitigations

This is a summary of the mitigations provided by the Android security platform and service protections, such as SafetyNet. These capabilities reduce the likelihood that security vulnerabilities could be successfully exploited on Android.

  • Exploitation for many issues on Android is made more difficult by enhancements in newer versions of the Android platform. We encourage all users to update to the latest version of Android where possible.
  • The Android Security team actively monitors for abuse with Verify Apps and SafetyNet, which are designed to warn users about Potentially Harmful Applications. Verify Apps is enabled by default on devices with Google Mobile Services and is especially important for users who install applications from outside of Google Play. Device rooting tools are prohibited within Google Play, but Verify Apps warns users when they attempt to install a detected rooting application—no matter where it comes from. Additionally, Verify Apps attempts to identify and block installation of known malicious applications that exploit a privilege escalation vulnerability. If such an application has already been installed, Verify Apps will notify the user and attempt to remove the detected application.
  • As appropriate, Google Hangouts and Messenger applications do not automatically pass media to processes such as Mediaserver.

Full details of the January 2017 Android Security Bulletin is available here.

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