Google releases October 2018 Android Security Bulletin and Google Device Images

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Google has released the October 2018 Android Security Bulletin. Partners have had access to the warnings in this month’s bulletin for at least a month.

The October 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.

  • 2018-10-01: Partial security patch level string. This security patch level string indicates that all issues associated with 2018-10-01 (and all previous security patch level strings) are addressed.
  • 2018-10-05: Complete security patch level string. This security patch level address all issues associated with the 2018-10-05 security patch level and all previous patch levels.

The most severe of these issues is a critical security vulnerability in Framework 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 October 5, 2018 or later address all of these issues.

 
google october 2018 android security bulletins - RapidGator - Google releases October 2018 Android Security Bulletin and Google Device Images

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 Mitigations

This is a summary of the mitigations 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.

2018-10-01 security patch level—Vulnerability details

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.

 
google october 2018 android security bulletins - amzbiz 50 - Google releases October 2018 Android Security Bulletin and Google Device Images
CVE References Type Severity Updated AOSP versions
CVE-2018-9490 A-111274046 EoP Critical 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9491 A-111603051 RCE High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9492 A-111934948 EoP High 8.0, 8.1, 9
CVE-2018-9493 A-111085900 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9452 A-78464361 DoS Moderate 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 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-2018-9473 A-65484460 RCE Critical 8.0
CVE-2018-9496 A-110769924 RCE Critical 9
CVE-2018-9497 A-74078669 RCE Critical 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9498 A-78354855 RCE Critical 7.0, 7.1.1, 7.1.2, 8.0, 8.1
CVE-2018-9499 A-79218474 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

System

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

CVE References Type Severity Updated AOSP versions
CVE-2017-13283 A-78526423 RCE Critical 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9476 A-109699112 EoP Critical 8.0, 8.1
CVE-2018-9504 A-110216176 RCE Critical 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9501 A-110034419 EoP High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9502 A-111936792 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9503 A-80432928 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9505 A-110791536 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9506 A-111803925 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9507 A-111893951 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9508 A-111936834 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1
CVE-2018-9509 A-111937027 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9510 A-111937065 ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2018-9511 A-111650288 DoS High 9

 

2018-10-05 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.

 
google october 2018 android security bulletins - amzbiz 50 - Google releases October 2018 Android Security Bulletin and Google Device Images
CVE References Type Severity Component
CVE-2018-9513 A-111081202 EoP High Fork
CVE-2018-9514 A-111642636 EoP High sdcardfs
CVE-2018-9515 A-111641492 EoP High sdcardfs

Full details of the October 2018 Android Security Bulletin are available here.

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