What is CVE-2022-20034?

CVE-2022-20034 is a vulnerability in Preloader XFLASH where there is a possible escalation of privilege due to an improper certificate validation.

How does CVE-2022-20034 affect Android devices?

CVE-2022-20034 affects Android devices running version 11.0 of the operating system.

Do Mediatek devices vulnerable to CVE-2022-20034?

No, Mediatek devices such as Mt6580, Mt6735, Mt6739, Mt6761, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6779, Mt6781, Mt6785, Mt6799, Mt6833, Mt6853, Mt6873, Mt6875, Mt6877, Mt6885, Mt6891, and Mt6893 are not vulnerable to CVE-2022-20034.

What is the severity of CVE-2022-20034?

CVE-2022-20034 has a severity score of 6.8, which is considered medium.

How can I fix CVE-2022-20034?

To fix CVE-2022-20034, it is recommended to apply the security updates provided by the device manufacturer or follow their instructions.

Vulnerability/
CVE-2022-20034

medium

6.8

CWE

295

9/2/2022

3/8/2024

CVE-2022-20034

First published: Wed Feb 09 2022(Updated: )

In Preloader XFLASH, there is a possible escalation of privilege due to an improper certificate validation. 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 not needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160806.

Credit: security@mediatek.com

Affected Software	Affected Version	How to fix
Google Android	=11.0
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6768
Mediatek Mt6769
Mediatek Mt6771
Mediatek Mt6779
Mediatek Mt6781
Mediatek Mt6785
Mediatek Mt6799
Mediatek Mt6833
Mediatek Mt6853
Mediatek Mt6873
Mediatek Mt6875
Mediatek Mt6877
Mediatek Mt6885
Mediatek Mt6891
Mediatek Mt6893

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Reference Links

https://corp.mediatek.com/product-security-bulletin/February-2022

Frequently Asked Questions

What is CVE-2022-20034?
CVE-2022-20034 is a vulnerability in Preloader XFLASH where there is a possible escalation of privilege due to an improper certificate validation.
How does CVE-2022-20034 affect Android devices?
CVE-2022-20034 affects Android devices running version 11.0 of the operating system.
Do Mediatek devices vulnerable to CVE-2022-20034?
No, Mediatek devices such as Mt6580, Mt6735, Mt6739, Mt6761, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6779, Mt6781, Mt6785, Mt6799, Mt6833, Mt6853, Mt6873, Mt6875, Mt6877, Mt6885, Mt6891, and Mt6893 are not vulnerable to CVE-2022-20034.
What is the severity of CVE-2022-20034?
CVE-2022-20034 has a severity score of 6.8, which is considered medium.
How can I fix CVE-2022-20034?
To fix CVE-2022-20034, it is recommended to apply the security updates provided by the device manufacturer or follow their instructions.

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