CVE-2022-20056
First published: Wed Mar 09 2022(Updated: )
In preloader (usb), there is a possible out of bounds write due to a missing bounds check. 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: ALPS06160806; Issue ID: ALPS06160820.
Credit: security@mediatek.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | =10.0 | |
| Google Android | =11.0 | |
| Google Android | =12.0 | |
| Mediatek Mt6761 | ||
| Mediatek Mt6762 | ||
| Mediatek Mt6765 | ||
| Mediatek Mt6768 | ||
| Mediatek Mt6771 | ||
| Mediatek Mt6779 | ||
| Mediatek Mt6781 | ||
| Mediatek Mt6785 | ||
| Mediatek Mt6833 | ||
| Mediatek Mt6853 | ||
| Mediatek Mt6853t | ||
| Mediatek Mt6873 | ||
| Mediatek Mt6877 | ||
| Mediatek Mt6885 | ||
| Mediatek Mt6893 | ||
| Mediatek Mt8183 | ||
| Mediatek Mt8185 | ||
| Mediatek Mt8321 | ||
| Mediatek Mt8385 | ||
| Mediatek Mt8666 | ||
| Mediatek Mt8667 | ||
| Mediatek Mt8675 | ||
| Mediatek Mt8735a | ||
| Mediatek Mt8735b | ||
| Mediatek Mt8765 | ||
| Mediatek Mt8766 | ||
| Mediatek Mt8768 | ||
| Mediatek Mt8786 | ||
| Mediatek Mt8788 | ||
| Mediatek Mt8789 | ||
| Mediatek Mt8791 | ||
| Mediatek Mt8797 |
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Frequently Asked Questions
What is CVE-2022-20056?
CVE-2022-20056 is a vulnerability in the preloader (usb) that allows for a possible out of bounds write, leading to local escalation of privilege.
Who is affected by CVE-2022-20056?
The vulnerability affects devices running Google Android versions 10.0, 11.0, and 12.0.
How can an attacker exploit CVE-2022-20056?
In order to exploit this vulnerability, an attacker would need physical access to the device and user interaction.
What is the severity of CVE-2022-20056?
CVE-2022-20056 has a medium severity rating, with a CVSS score of 6.6.
How can I protect my device from CVE-2022-20056?
To protect your device, it is recommended to apply the patch provided by the vendor as soon as it becomes available.
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- agent/references
- agent/author
- agent/description
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/google
- canonical/google android
- version/google android/10.0
- version/google android/11.0
- version/google android/12.0
- vendor/mediatek
- canonical/mediatek mt6761
- canonical/mediatek mt6762
- canonical/mediatek mt6765
- canonical/mediatek mt6768
- canonical/mediatek mt6771
- canonical/mediatek mt6779
- canonical/mediatek mt6781
- canonical/mediatek mt6785
- canonical/mediatek mt6833
- canonical/mediatek mt6853
- canonical/mediatek mt6853t
- canonical/mediatek mt6873
- canonical/mediatek mt6877
- canonical/mediatek mt6885
- canonical/mediatek mt6893
- canonical/mediatek mt8183
- canonical/mediatek mt8185
- canonical/mediatek mt8321
- canonical/mediatek mt8385
- canonical/mediatek mt8666
- canonical/mediatek mt8667
- canonical/mediatek mt8675
- canonical/mediatek mt8735a
- canonical/mediatek mt8735b
- canonical/mediatek mt8765
- canonical/mediatek mt8766
- canonical/mediatek mt8768
- canonical/mediatek mt8786
- canonical/mediatek mt8788
- canonical/mediatek mt8789
- canonical/mediatek mt8791
- canonical/mediatek mt8797