CVE-2021-0396: Critical severity Google Android vulnerability

Published Mar 1, 2021
·
Updated

In Builtins::GenerateArgumentsAdaptorTrampoline of builtins-arm.cc and related files, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution in an unprivileged process with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected Software

9 affected componentsFixes available
Google Android=8.1
Google Android=9.0
Google Android=10.0
Google Android=11.0
Google Android
android/platform/external/v8>=8.1:0<8.1:2021-03-01
8.1:2021-03-01
android/platform/external/v8>=9:0<9:2021-03-01
9:2021-03-01
android/platform/external/v8>=10:0<10:2021-03-01
10:2021-03-01
android/platform/external/v8>=11:0<11:2021-03-01
11:2021-03-01

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade android/platform/external/v8 to a version that resolves this vulnerability.

    Fixed in 8.1:2021-03-01
  2. Upgrade

    Upgrade android/platform/external/v8 to a version that resolves this vulnerability.

    Fixed in 9:2021-03-01
  3. Upgrade

    Upgrade android/platform/external/v8 to a version that resolves this vulnerability.

    Fixed in 10:2021-03-01
  4. Upgrade

    Upgrade android/platform/external/v8 to a version that resolves this vulnerability.

    Fixed in 11:2021-03-01

Event History

Mar 1, 2021
CVE Published
via Android·12:00 AM
Advisory Published
via OSV·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software
Mar 10, 2021
CVE Published
via MITRE·03:36 PM
Data Sourced
via MITRE·03:36 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-0396?

CVE-2021-0396 has a high severity rating due to its potential for remote code execution.

2

How do I fix CVE-2021-0396?

To fix CVE-2021-0396, update your Android device to the latest security patch provided by Google.

3

Which Android versions are affected by CVE-2021-0396?

CVE-2021-0396 affects Android versions 8.1, 9.0, 10.0, and 11.0.

4

What is the potential impact of CVE-2021-0396?

The potential impact of CVE-2021-0396 includes unauthorized remote code execution in an unprivileged process.

5

Is user interaction required to exploit CVE-2021-0396?

No, user interaction is not required to exploit CVE-2021-0396.

Contact

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