CWE
20
Advisory Published
Updated

CVE-2023-20639: Input Validation

First published: Tue Mar 07 2023(Updated: )

In ril, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07628587; Issue ID: ALPS07628587.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Android=12.0
Android=13.0
MediaTek MT6879
MediaTek MT6895
MediaTek MT6983
MediaTek MT8321
MediaTek MT8765
MediaTek MT8766Z
MediaTek MT8768
MediaTek MT8781 WiFi
MediaTek MT8786
MediaTek MT8788 Firmware
MediaTek MT8789
MediaTek MT8791T
MediaTek MT8797 WiFi
All of
Any of
Android=12.0
Android=13.0
Any of
MediaTek MT6879
MediaTek MT6895
MediaTek MT6983
MediaTek MT8321
MediaTek MT8765
MediaTek MT8766Z
MediaTek MT8768
MediaTek MT8781 WiFi
MediaTek MT8786
MediaTek MT8788 Firmware
MediaTek MT8789
MediaTek MT8791T
MediaTek MT8797 WiFi

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Frequently Asked Questions

  • What is the severity of CVE-2023-20639?

    CVE-2023-20639 has a high severity rating due to the potential for local escalation of privileges.

  • How do I fix CVE-2023-20639?

    To fix CVE-2023-20639, apply the appropriate security patches as noted in Patch ID: ALPS07628587.

  • Which software versions are affected by CVE-2023-20639?

    CVE-2023-20639 affects Google Android versions 12.0 and 13.0.

  • Is user interaction required to exploit CVE-2023-20639?

    No, user interaction is not needed for the exploitation of CVE-2023-20639.

  • What could an attacker achieve by exploiting CVE-2023-20639?

    An attacker could achieve local escalation of privileges with System execution privileges by exploiting CVE-2023-20639.

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