CVE-2022-20055 : In preloader (usb), there is a possible out of bounds write due to a missing bou

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: ALPS06160830.

Published 2022-03-10 17:45:06

Updated 2022-03-17 18:33:01

Source MediaTek, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2022-20055

Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6762 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8667 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8735a » Version: N/A
When used together with: Mediatek » Mt8735b » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6762 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8667 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8735a » Version: N/A
When used together with: Mediatek » Mt8735b » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6762 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8183 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8667 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8735a » Version: N/A
When used together with: Mediatek » Mt8735b » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-20055

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 15 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-20055

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
6.8	MEDIUM	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	0.9	5.9	NIST
Attack Vector: Physical Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-20055

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-20055

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

March 2022
Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2022-20055

Products affected by CVE-2022-20055

Exploit prediction scoring system (EPSS) score for CVE-2022-20055

CVSS scores for CVE-2022-20055

CWE ids for CVE-2022-20055

References for CVE-2022-20055