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CVE-2021-0934: Android Security Bulletin—December 2022  |  Android Open Source Project

In findAllDeAccounts of AccountsDb.java, there is a possible denial of service due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-169762606

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Published December 5, 2022 | Updated December 7, 2022

The Android Security Bulletin contains details of security vulnerabilities affecting Android devices. Security patch levels of 2022-12-05 or later address all of these issues. To learn how to check a device’s security patch level, see Check and update your Android version.

Android partners are notified of all issues at least a month before publication. Source code patches for these issues will be released to the Android Open Source Project (AOSP) repository in the next 48 hours. We will revise this bulletin with the AOSP links when they are available.

The most severe of these issues is a critical security vulnerability in the System component that could lead to remote code execution over Bluetooth with no additional execution privileges needed. 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.

Refer to the Android and Google Play Protect mitigations section for details on the Android security platform protections and Google Play Protect, which improve the security of the Android platform.

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. We encourage all users 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.

2022-12-01 security patch level vulnerability details

In the sections below, we provide details for each of the security vulnerabilities that apply to the 2022-12-01 patch level. Vulnerabilities are grouped under the component they affect. Issues are described in the tables below and include CVE ID, associated references, type of vulnerability, severity, and updated 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. Devices with Android 10 and later may receive security updates as well as Google Play system updates.

Android Runtime

The vulnerability in this section could lead to local information disclosure with no additional execution privileges needed.

CVE

References

Type

Severity

Updated AOSP versions

CVE-2022-20502

A-222166527

ID

High

13

Framework

The most severe vulnerability in this section could lead to remote code execution with no additional execution privileges needed.

CVE

References

Type

Severity

Updated AOSP versions

CVE-2022-20472

A-239210579

RCE

Critical

10, 11, 12, 12L, 13

CVE-2022-20473

A-239267173

RCE

Critical

10, 11, 12, 12L, 13

CVE-2021-39617

A-175190844

EoP

High

11, 12, 12L

CVE-2021-39795

A-201667614

EoP

High

11, 12, 12L, 13

CVE-2022-20124

A-170646036

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20442

A-176094367

EoP

High

10, 11, 12, 12L

CVE-2022-20444

A-197296414 [2] [3] [4] [5]

EoP

High

11, 12

CVE-2022-20470

A-234013191

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20474

A-240138294 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20475

A-240663194

EoP

High

11, 12, 12L, 13

CVE-2022-20477

A-241611867

EoP

High

13

CVE-2022-20485

A-242702935 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20486

A-242703118 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20491

A-242703556 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20611

A-242996180

EoP

High

10, 11, 12, 12L, 13

CVE-2021-0934

A-169762606

DoS

High

10, 11, 12, 12L, 13

CVE-2022-20449

A-239701237

DoS

High

10, 11, 12, 12L, 13

CVE-2022-20476

A-240936919

DoS

High

10, 11, 12, 12L

CVE-2022-20482

A-240422263

DoS

High

12, 12L, 13

CVE-2022-20500

A-246540168

DoS

High

10, 11, 12, 12L, 13

Media Framework

The vulnerability in this section could lead to local information disclosure with no additional execution privileges needed.

CVE

References

Type

Severity

Updated AOSP versions

CVE-2022-20496

A-245242273

ID

High

12, 12L, 13

System

The most severe vulnerability in this section could lead to remote code execution over Bluetooth with no additional execution privileges needed.

CVE

References

Type

Severity

Updated AOSP versions

CVE-2022-20411

A-232023771 [2]

RCE

Critical

10, 11, 12, 12L, 13

CVE-2022-20498

A-246465319

ID

Critical

10, 11, 12, 12L, 13

CVE-2022-20469

A-230867224

RCE

High

10, 11, 12, 12L, 13

CVE-2022-20144

A-187702830 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20240

A-231496105 [2] [3] [4]

EoP

High

12, 12L

CVE-2022-20478

A-241764135 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20479

A-241764340 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20480

A-241764350 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20484

A-242702851 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20487

A-242703202 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20488

A-242703217 [2]

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20495

A-243849844

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20501

A-246933359

EoP

High

10, 11, 12, 12L, 13

CVE-2022-20466

A-179725730 [2]

ID

Moderate

13

ID

High

10, 11, 12, 12L

CVE-2022-20471

A-238177877

ID

High

11, 12, 12L, 13

CVE-2022-20483

A-242459126

ID

High

10, 11, 12, 12L, 13

CVE-2022-20497

A-246301979

ID

High

12, 12L, 13

CVE-2022-20468

A-228450451

ID

Moderate

10, 11, 12, 12L, 13

Google Play system updates

The following issues are included in Project Mainline components.

Subcomponent

CVE

MediaProvider

CVE-2021-39795

Permission Controller

CVE-2021-39617, CVE-2022-20442

2022-12-05 security patch level vulnerability details

In the sections below, we provide details for each of the security vulnerabilities that apply to the 2022-12-05 patch level. Vulnerabilities are grouped under the component they affect. Issues are described in the tables below and include CVE ID, associated references, type of vulnerability, severity, and updated 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.

Kernel

The vulnerability in this section could lead to local information disclosure with no additional execution privileges needed.

CVE

References

Type

Severity

Subcomponent

CVE-2022-23960

A-215557547
Upstream kernel [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26]

ID

High

Kernel

Imagination Technologies

This vulnerability affects Imagination Technologies components and further details are available directly from Imagination Technologies. The severity assessment of this issue is provided directly by Imagination Technologies.

CVE

References

Severity

Subcomponent

CVE-2021-39660

A-254742984 *

High

PowerVR-GPU

MediaTek components

These vulnerabilities affect MediaTek components and further details are available directly from MediaTek. The severity assessment of these issues is provided directly by MediaTek.

CVE

References

Severity

Subcomponent

CVE-2022-32594

A-250331397
M-ALPS07446207 *

High

widevine

CVE-2022-32596

A-250470698
M-ALPS07446213 *

High

widevine

CVE-2022-32597

A-250470696
M-ALPS07446228 *

High

widevine

CVE-2022-32598

A-250470697
M-ALPS07446228 *

High

widevine

CVE-2022-32619

A-250441021
M-ALPS07439659 *

High

keyinstall

CVE-2022-32620

A-250441023
M-ALPS07541753 *

High

mpu

Unisoc components

These vulnerabilities affect Unisoc components and further details are available directly from Unisoc. The severity assessment of these issues is provided directly by Unisoc.

CVE

References

Severity

Subcomponent

CVE-2022-39106

A-252398972
U-1830881 *

High

kernel

CVE-2022-39131

A-252950986
U-1914157 *

High

Kernel

CVE-2022-39132

A-252951342
U-1914157 *

High

Kernel

CVE-2022-39133

A-253957345
U-1946077 *

High

Kernel

CVE-2022-39134

A-253333208
U-1947682 *

High

Kernel

CVE-2022-42754

A-253344080
U-1967614 *

High

Kernel

CVE-2022-42755

A-253957344
U-1981296 *

High

Kernel

CVE-2022-42756

A-253337348
U-1967535 *

High

Kernel

CVE-2022-42770

A-253978051
U-1975103 *

High

Kernel

CVE-2022-42771

A-253978040
U-1946329 *

High

Kenel

CVE-2022-42772

A-253978054
U-1903041 *

High

kernel

CVE-2022-39129

A-252943954
U-1957128 *

High

Kernel

CVE-2022-39130

A-252950982
U-1957128 *

High

Kernel

Qualcomm components

This vulnerability affects Qualcomm components and are described in further detail in the appropriate Qualcomm security bulletin or security alert. The severity assessment of this issue is provided directly by Qualcomm.

CVE

References

Severity

Subcomponent

CVE-2022-33268

A-245992426
QC-CR#3182085 [2]

High

Bluetooth

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

Severity

Subcomponent

CVE-2022-25672

A-231156083 *

High

Closed-source component

CVE-2022-25673

A-235102693 *

High

Closed-source component

CVE-2022-25681

A-238106628 *

High

Closed-source component

CVE-2022-25682

A-238102293 *

High

Closed-source component

CVE-2022-25685

A-235102504 *

High

Closed-source component

CVE-2022-25689

A-235102546 *

High

Closed-source component

CVE-2022-25691

A-235102879 *

High

Closed-source component

CVE-2022-25692

A-235102506 *

High

Closed-source component

CVE-2022-25695

A-235102757 *

High

Closed-source component

CVE-2022-25697

A-235102692 *

High

Closed-source component

CVE-2022-25698

A-235102566 *

High

Closed-source component

CVE-2022-25702

A-235102898 *

High

Closed-source component

CVE-2022-33235

A-245402984 *

High

Closed-source component

CVE-2022-33238

A-245402341 *

High

Closed-source component

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?

To learn how to check a device’s security patch level, see Check and update your Android version.

  • Security patch levels of 2022-12-01 or later address all issues associated with the 2022-12-01 security patch level.
  • Security patch levels of 2022-12-05 or later address all issues associated with the 2022-12-05 security patch level and all previous patch levels.

Device manufacturers that include these updates should set the patch string level to:

  • [ro.build.version.security_patch]:[2022-12-01]
  • [ro.build.version.security_patch]:[2022-12-05]

For some devices on Android 10 or later, the Google Play system update will have a date string that matches the 2022-12-01 security patch level. Please see this article for more details on how to install security updates.

2. Why does this bulletin have two security patch levels?

This bulletin has two security patch levels so that Android partners have the flexibility to fix a subset of vulnerabilities that are similar across all Android devices more quickly. Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level.

  • Devices that use the 2022-12-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.
  • Devices that use the security patch level of 2022-12-05 or newer must include all applicable patches in this (and previous) security bulletins.

Partners are encouraged to bundle the fixes for all issues they are addressing in a single update.

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

QC-

Qualcomm reference number

M-

MediaTek reference number

N-

NVIDIA reference number

B-

Broadcom reference number

U-

UNISOC reference number

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 corresponding reference ID. The update for that issue is generally contained in the latest binary drivers for Pixel devices available from the Google Developer site.

6. Why are security vulnerabilities split between this bulletin and device / partner security bulletins, such as the Pixel bulletin?

Security vulnerabilities that are documented in this security bulletin are required to declare the latest security patch level on Android devices. Additional security vulnerabilities that are documented in the device / partner security bulletins are not required for declaring a security patch level. Android device and chipset manufacturers may also publish security vulnerability details specific to their products, such as Google, Huawei, LGE, Motorola, Nokia, or Samsung.

Versions

Version

Date

Notes

1.0

December 5, 2022

Bulletin Published

1.1

December 7, 2022

Bulletin revised to include AOSP links

2.0

December 7, 2022

Revised CVE table

Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2022-12-08 UTC.

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In multiple functions of AvatarPhotoController.java, there is a possible access to content owned by system content providers due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-250637906

CVE-2022-20137: Android Security Bulletin—June 2022  |  Android Open Source Project

In onCreateContextMenu of NetworkProviderSettings.java, there is a possible way for non-owner users to change WiFi settings due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-206986392

CVE-2022-20137: Android Security Bulletin—June 2022  |  Android Open Source Project

In onCreateContextMenu of NetworkProviderSettings.java, there is a possible way for non-owner users to change WiFi settings due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-206986392

CVE-2021-46785: May

The Property module has a vulnerability in permission control.This vulnerability can be exploited to obtain the unique device identifier.

CVE-2022-29795: May

The frame scheduling module has a null pointer dereference vulnerability. Successful exploitation of this vulnerability will affect the kernel availability.

CVE-2022-23960: Speculative Processor Vulnerability

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.

CVE-2020-35198: Wind River

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

CVE: Latest News

CVE-2023-50976: Transactions API Authorization by oleiman · Pull Request #14969 · redpanda-data/redpanda
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