medium
6.6
CWE
191
Advisory Published
Updated

CVE-2022-20073: Integer Underflow

First published: Mon Apr 11 2022(Updated: )

In preloader (usb), there is a possible out of bounds write due to a integer underflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS06160841; Issue ID: ALPS06160841.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Google Android=10.0
Google Android=11.0
Google Android=12.0
Mediatek Mt2601
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6771
Mediatek Mt6779
Mediatek Mt6781
Mediatek Mt6785
Mediatek Mt6799
Mediatek Mt6833
Mediatek Mt6873
Mediatek Mt6877
Mediatek Mt6885
Mediatek Mt6893
Mediatek Mt8163
Mediatek Mt8167
Mediatek Mt8167s
Mediatek Mt8168
Mediatek Mt8173
Mediatek Mt8175
Mediatek Mt8183
Mediatek Mt8185
Mediatek Mt8321
Mediatek Mt8362a
Mediatek Mt8365
Mediatek Mt8385
Mediatek Mt8666
Mediatek Mt8667
Mediatek Mt8675
Mediatek Mt8695
Google Android
Mediatek Mt8765
Mediatek Mt8766
Mediatek Mt8768
Mediatek Mt8786
Mediatek Mt8788
Mediatek Mt8789
Mediatek Mt8791
Mediatek Mt8797

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-20073?

    CVE-2022-20073 is a vulnerability that allows for a possible out of bounds write due to an integer underflow in the preloader (usb), potentially leading to local escalation of privilege.

  • How severe is CVE-2022-20073?

    CVE-2022-20073 has a severity value of 6.6, which is considered medium.

  • Which devices are affected by CVE-2022-20073?

    Devices running Google Android versions 10.0, 11.0, and 12.0 are affected by CVE-2022-20073.

  • What is the patch ID for CVE-2022-20073?

    The patch ID for CVE-2022-20073 is ALPS.

  • Is physical access to the device required for exploitation of CVE-2022-20073?

    Yes, physical access to the device is required for exploitation of CVE-2022-20073.

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