CVE-2021-39706: High severity Google Android vulnerability

Published Mar 1, 2022
·
Updated

In onResume of CredentialStorage.java, there is a possible way to cleanup content of credentials storage due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

Affected Software

11 affected componentsFixes available
Google Android=10.0
Google Android=11.0
Google Android=12.0
Google Android
android/platform/packages/apps/settings>=10:0<10:2022-03-01
10:2022-03-01
android/platform/packages/apps/car/settings>=11:0<11:2022-03-01
11:2022-03-01
android/platform/packages/apps/settings>=11:0<11:2022-03-01
11:2022-03-01
android/platform/packages/apps/car/settings>=12:0<12:2022-03-01
12:2022-03-01
android/platform/packages/apps/settings>=12:0<12:2022-03-01
12:2022-03-01
android/platform/packages/apps/car/settings>=12L:0<12L:2022-03-01
12L:2022-03-01
android/platform/packages/apps/settings>=12L:0<12L:2022-03-01
12L:2022-03-01

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade android/platform/packages/apps/Settings to a version that resolves this vulnerability.

    Fixed in 10:2022-03-01
  2. Upgrade

    Upgrade android/platform/packages/apps/Car/Settings to a version that resolves this vulnerability.

    Fixed in 11:2022-03-01
  3. Upgrade

    Upgrade android/platform/packages/apps/Settings to a version that resolves this vulnerability.

    Fixed in 11:2022-03-01
  4. Upgrade

    Upgrade android/platform/packages/apps/Car/Settings to a version that resolves this vulnerability.

    Fixed in 12:2022-03-01
  5. Upgrade

    Upgrade android/platform/packages/apps/Settings to a version that resolves this vulnerability.

    Fixed in 12:2022-03-01
  6. Upgrade

    Upgrade android/platform/packages/apps/Car/Settings to a version that resolves this vulnerability.

    Fixed in 12L:2022-03-01
  7. Upgrade

    Upgrade android/platform/packages/apps/Settings to a version that resolves this vulnerability.

    Fixed in 12L:2022-03-01

Event History

Mar 1, 2022
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software
Mar 7, 2022
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software
Mar 16, 2022
CVE Published
via MITRE·02:04 PM
Data Sourced
via MITRE·02:04 PM
DescriptionWeakness
Apr 28, 2022
Exploit Published
via GitHub·11:30 AM

Frequently Asked Questions

1

What is the severity of CVE-2021-39706?

CVE-2021-39706 has a medium severity rating due to the potential for local privilege escalation.

2

How do I fix CVE-2021-39706?

To remediate CVE-2021-39706, ensure you are running the latest version of Android that addresses the vulnerability.

3

What systems are affected by CVE-2021-39706?

CVE-2021-39706 affects Android versions 10, 11, and 12.

4

Who can exploit CVE-2021-39706?

CVE-2021-39706 requires user interaction for exploitation, allowing local users to potentially escalate privileges.

5

What could happen if CVE-2021-39706 is exploited?

Exploitation of CVE-2021-39706 could lead to unauthorized access to sensitive credential storage on affected Android devices.

Company

Resources

Contact

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