Chromecast Security Bulletin—October 2022

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Published October 20, 2022

The Chromecast Security Bulletin contains details of security vulnerabilities affecting supported Chromecast with Google TV devices (Chromecast devices). For Chromecast devices, security patch levels of 2022-07-05 or later address all applicable issues in the July 2022 Android Security Bulletin and all issues in this bulletin. To learn how to check a device's security patch level, see Chromecast firmware versions & release notes.

All supported Chromecast devices will receive an update to the 2022-07-05 patch level. We encourage all customers to accept these updates to their devices.

Announcements

  • In addition to the security vulnerabilities described in the July 2022 Android Security Bulletin, Chromecast devices also contain patches for the security vulnerabilities described below.

Security patches

Vulnerabilities are grouped under the component that they affect. There is a description of the issue and a table with the CVE, associated references, type of vulnerability, severity, and updated Android Open Source Project (AOSP) versions (where applicable). When available, we link the public change that addressed the issue to the bug ID, like the AOSP change list. When multiple changes relate to a single bug, additional references are linked to numbers following the bug ID.

Functional patches

For details on the new bug fixes and functional patches included in this release, refer to the Chromecast firmware versions and release notes.

Common questions and answers

This section answers common questions that may occur after reading this bulletin.

1. How do I determine if my device is updated to address these issues?

Security patch levels of 2022-07-05 or later address all issues associated with the 2022-07-05 security patch level and all previous patch levels. To learn how to check a device's security patch level, read the instructions on the Chromecast firmware versions and release notes.

2. Why are security vulnerabilities split between this bulletin and the Android Security Bulletins?

Security vulnerabilities that are documented in the Android Security Bulletins are required to declare the latest security patch level on Android devices. Additional security vulnerabilities, such as those documented in this bulletin are not required for declaring a security patch level.

3. What do the entries in the Type column mean?

Entries in the Type column of the vulnerability details table reference the classification of the security vulnerability.

Abbreviation Definition
RCE Remote code execution
EoP Elevation of privilege
ID Information disclosure
DoS Denial of service
N/A Classification not available

4. What do the entries in the References column mean?

Entries under the References column of the vulnerability details table may contain a prefix identifying the organization to which the reference value belongs.

Prefix Reference
A- Android bug ID

5. What does an * next to the Android bug ID in the References column mean?

Issues that are not publicly available have an * next to the Android bug ID in the References column.

Versions

Version Date Notes
1.0 October 20, 2022 Bulletin Published.