CVE-2023-20684: Use After Free

Published Apr 6, 2023
·
Updated

In vdec, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07671069; Issue ID: ALPS07671069.

Affected Software

24 affected components
Google Android=12.0
Google Android=13.0
MediaTek Mt6789
MediaTek Mt6855
MediaTek Mt6879
MediaTek Mt6895
MediaTek Mt6983
MediaTek Mt8673
MediaTek Mt8781
MediaTek Mt8795t
MediaTek Mt8798
MediaTek Mt8891
All of the following
Any of the following
Google Android=12.0
Google Android=13.0
Any of the following
MediaTek Mt6789
MediaTek Mt6855
MediaTek Mt6879
MediaTek Mt6895
MediaTek Mt6983
MediaTek Mt8673
MediaTek Mt8781
MediaTek Mt8795t
MediaTek Mt8798
MediaTek Mt8891

Event History

Apr 6, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2023-20684?

CVE-2023-20684 is a vulnerability in vdec that can lead to local escalation of privilege on Google Android versions 12.0 and 13.0.

2

How severe is CVE-2023-20684?

CVE-2023-20684 has a severity score of 6.4 (Medium).

3

How can CVE-2023-20684 be exploited?

CVE-2023-20684 can be exploited without user interaction.

4

How can I fix CVE-2023-20684?

To fix CVE-2023-20684, apply the provided patch ID: ALPS07671069 or update to a non-vulnerable version of Google Android.

5

Where can I find more information about CVE-2023-20684?

More information about CVE-2023-20684 can be found in the Mediatek Product Security Bulletin for April 2023: [https://corp.mediatek.com/product-security-bulletin/April-2023](https://corp.mediatek.com/product-security-bulletin/April-2023)

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