Google releases September 2019 Android Security Bulletin and Google Device Images

Google has released the September 2019 Android Security Bulletin, giving carriers and device makers a fresh set of patches to install.

Though Google puts out the Android security patches each month, the job of actually getting the fixes to end users falls on the telcos and/or device manufacturers themselves. Those partners vary in their ability to release the patches in a timely fashion.

The September 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.

01-09-2019: Partial security patch level string. This security patch level string indicates that all issues associated with 01-09-2019 (and all previous security patch level strings) are addressed. 05-09-2018: Complete security patch level string. This security patch level address all issues associated with the 05-09-2019 security patch level and all previous patch levels.

The most severe of these issues is a critical security vulnerability in the Media framework component that could enable a remote attacker using a specially crafted file to execute arbitrary code within the context of a privileged process. 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 turned off for development purposes or if successfully bypassed.

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 September 5, 2019 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.

Android and Google Service Mitigation’s

This is a summary of the mitigation’s provided by the Android security platform and service protections such as Google Play Protect. 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. All users are encouraged to update to the latest version of Android where possible. The Android security team actively monitors for abuse through Google Play Protect and warns users about Potentially Harmful Applications. Google Play Protect is enabled by default on devices with Google Mobile Services, and is especially important for users who install apps from outside of Google Play. Terminology

You will find different types of vulnerabilities listed. Possible types include:

RCE—Remote code execution EoP—Elevation of privilege ID—Information disclosure DoS—Denial of service 01-09-2019 security patch level—Vulnerability details Framework

The most severe vulnerability in this section could enable a local malicious application to execute arbitrary code within the context of a privileged process.

CVE References Type Severity Updated AOSP versions CVE-2019-2123 A-34175893 EoP High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2174 A-132927376 EoP High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2175 A-135551349 EoP High 9 CVE-2019-9254 A-130164289 EoP High 10 CVE-2019-2103 A-120610669 ID High 9 Media framework

The most severe vulnerability in this section could enable a remote attacker using a specially crafted file to execute arbitrary code within the context of a privileged process.

CVE References Type Severity Updated AOSP versions CVE-2019-2176 A-134420911 RCE Critical 8.0, 8.1, 9 CVE-2019-2108 A-130025324 RCE Critical 10 System

The most severe vulnerability in this section could enable a remote attacker using a specially crafted transmission to execute arbitrary code within the context of a privileged process.

CVE References Type Severity Updated AOSP versions CVE-2019-2177 A-132456322 RCE High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2115 A-129768470 EoP High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2178 A-124462242 EoP High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2179 A-126200054 ID High 7.1.1, 7.1.2, 8.0, 8.1, 9 CVE-2019-2180 A-110899492 ID High 8.0, 8.1, 9 CVE-2019-2124 A-127320867 ID High 7.1.1, 7.1.2, 8.0, 8.1, 9 05-09-2019 security patch level—Vulnerability details Kernel components

The most severe vulnerability in this section could enable a local malicious application to execute arbitrary code within the context of a privileged process.

CVE References Type Severity Component CVE-2018-20669 A-135368228 EoP High i915 driver CVE-2019-2181 A-130571081 Upstream kernel EoP High Binder driver NVIDIA components

The most severe vulnerability in this section could enable a local malicious application to execute arbitrary code within the context of a privileged process.

CVE References Type Severity Component CVE-2018-6240 A-72315181 EoP High BootROM CVE-2018-6240 A-110169243 EoP High BootROM CVE-2017-5715 A-73294344 ID High ARM Trusted Firmware Qualcomm components

These vulnerabilities affect Qualcomm components and are described in further detail in the appropriate Qualcomm security bulletin or security alert. The severity assessment of these issues is provided directly by Qualcomm.

CVE References Type Severity Component CVE-2017-17768 A-67748905 QC-CR#2127172 N/A High LK bootloader CVE-2019-2283 A-127513124 QC-CR#2355425 N/A High Kernel CVE-2019-2316 A-129848922 QC-CR#2358397 N/A High HLOS CVE-2019-10491 A-132171785 QC-CR#2380709 N/A High Audio CVE-2019-10505 A-123533258 QC-CR#2231755 N/A High WLAN HOST CVE-2019-10505 A-132171579 QC-CR#2246426 N/A High WLAN HOST CVE-2019-2323 A-132173424 QC-CR#2370589 N/A High HLOS CVE-2019-2324 A-132173296 QC-CR#2372292 N/A High Audio CVE-2019-2325 A-132171784 QC-CR#2372302 N/A High Audio CVE-2019-2331 A-132172905 QC-CR#2380697 N/A High Audio CVE-2019-2332 A-132171963 QC-CR#2380699 N/A High Audio CVE-2019-10512 A-134439528 QC-CR#2380702 N/A High Audio CVE-2019-10515 A-134440011 QC-CR#2366038 N/A High Kernel CVE-2019-10524 A-134440735 QC-CR#2422233 N/A High Camera driver CVE-2019-10529 A-134439992 QC-CR#2442261 N/A High Graphics driver CVE-2019-10531 A-134441415 QC-CR#2402890 N/A High Kernel CVE-2018-11891 A-134440013 QC-CR#2288859 N/A High WLAN HOST Qualcomm closed-source components

These vulnerabilities affect Qualcomm closed-source components and are described in further detail in the appropriate Qualcomm security bulletin or security alert. The severity assessment of these issues is provided directly by Qualcomm.

CVE References Type Severity Component CVE-2019-2258 A-123998354 N/A Critical Closed-source component CVE-2019-10533 A-134437210 N/A Critical Closed-source component CVE-2019-2275 A-127347579 N/A High Closed-source component CVE-2019-2246 A-127347339 N/A High Closed-source component CVE-2019-10488 A-132108617 N/A High Closed-source component CVE-2019-10495 A-132108855 N/A High Closed-source component CVE-2019-10496 A-132108737 N/A High Closed-source component CVE-2019-2249 A-132108854 N/A High Closed-source component CVE-2019-2285 A-132109149 N/A High Closed-source component CVE-2019-10504 A-134437132 N/A High Closed-source component CVE-2019-10504 A-134437173 N/A High Closed-source component CVE-2019-10522 A-134437134 N/A High Closed-source component CVE-2019-10534 A-134437379 N/A High Closed-source component CVE-2019-10541 A-134437115 N/A High Closed-source component

 

Full details of the September 2019 Android Security Bulletin are available here.