CWE
20
Advisory Published
Updated

CVE-2023-20638: 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: ALPS07628537; Issue ID: ALPS07628537.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Google Android=12.0
Google Android=13.0
Mediatek Mt6739
Mediatek Mt6753
Mediatek Mt6761
Mediatek Mt6762
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6769
Mediatek Mt6771
Mediatek Mt6779
Mediatek Mt6781
Mediatek Mt6785
Mediatek Mt6789
Mediatek Mt6833
Mediatek Mt6853
Mediatek Mt6853t
Mediatek Mt6855
Mediatek Mt6873
Mediatek Mt6875
Mediatek Mt6877
Mediatek Mt6879
Mediatek Mt6883
Mediatek Mt6885
Mediatek Mt6889
Mediatek Mt6893
Mediatek Mt6895
Mediatek Mt6983
Mediatek Mt8321
Mediatek Mt8765
Mediatek Mt8766
Mediatek Mt8768
Mediatek Mt8781
Mediatek Mt8786
Mediatek Mt8788
Mediatek Mt8789
Mediatek Mt8791t
Mediatek Mt8797

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Frequently Asked Questions

  • What is the severity of CVE-2023-20638?

    The severity of CVE-2023-20638 is medium with a CVSS score of 6.7.

  • How does CVE-2023-20638 impact Google Android versions 12.0 and 13.0?

    CVE-2023-20638 impacts Google Android versions 12.0 and 13.0 by potentially allowing local escalation of privilege with system execution privileges.

  • Is Mediatek Mt6739 affected by CVE-2023-20638?

    No, Mediatek Mt6739 is not affected by CVE-2023-20638.

  • How can I patch CVE-2023-20638?

    To patch CVE-2023-20638, you can refer to the patch ID ALPS07628537 mentioned in the MediaTek product security bulletin.

  • Where can I find more information about CVE-2023-20638?

    You can find more information about CVE-2023-20638 in the MediaTek product security bulletin of March 2023.

Contact

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