Out of Bounds Write Vulnerability in MediaTek Video Decoder
CVE-2022-20048

7.8HIGH

Key Information:

Vendor
MediaTek
Status
Mt5816, Mt5835, Mt6885, Mt6893, Mt9900, Mt9901, Mt9950, Mt9969, Mt9970, Mt9980
Vendor
CVE Published:
10 March 2022

Summary

A vulnerability exists in the MediaTek video decoder that allows for an out of bounds write due to a missing bounds check. This flaw could enable local users to escalate privileges without needing any additional execution privileges. Notably, this vulnerability can be exploited without user interaction, raising concerns regarding potential unauthorized access and system integrity. The security flaw has been documented under Patch ID ALPS05917502.

Affected Version(s)

MT5816, MT5835, MT6885, MT6893, MT9900, MT9901, MT9950, MT9969, MT9970, MT9980 Android 10.0, 11.0, 12.0

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.