SB2022050439 - Multiple vulnerabilities in MediaTek chipsets



SB2022050439 - Multiple vulnerabilities in MediaTek chipsets

Published: May 4, 2022 Updated: March 7, 2023

Security Bulletin ID SB2022050439
Severity
Low
Patch available
YES
Number of vulnerabilities 28
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 28 secuirty vulnerabilities.


1) Missing Authorization (CVE-ID: CVE-2022-20098)

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to a missing permission check within aee daemon. A local privileged application can gain access to sensitive information.


2) Integer overflow (CVE-ID: CVE-2022-21743)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an integer overflow within ion. A local application can execute arbitrary code.


3) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-20111)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to incorrect error handling within ion. A local application can execute arbitrary code.


4) Stack-based buffer overflow (CVE-ID: CVE-2022-20108)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a stack within voice service. A local privileged application can execute arbitrary code.


5) Integer overflow (CVE-ID: CVE-2022-20107)

The vulnerability allows a local privileged application to perform service disruption.

The vulnerability exists due to an integer overflow within subtitle service. A local privileged application can perform service disruption.


6) Heap-based Buffer Overflow (CVE-ID: CVE-2022-20106)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a heap within MM service. A local privileged application can execute arbitrary code.


7) Stack-based buffer overflow (CVE-ID: CVE-2022-20105)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a stack within MM service. A local privileged application can execute arbitrary code.


8) Improper Access Control (CVE-ID: CVE-2022-20104)

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to improper access control within aee daemon. A local application can gain access to sensitive information.


9) UNIX Symbolic Link (Symlink) Following (CVE-ID: CVE-2022-20103)

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to symbolic link following within aee daemon. A local privileged application can gain access to sensitive information.


10) Missing Authorization (CVE-ID: CVE-2022-20102)

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to a missing permission check within aee daemon. A local privileged application can gain access to sensitive information.


11) Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CVE-ID: CVE-2022-20101)

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to a path traversal within aee daemon. A local application can gain access to sensitive information.


12) Missing Authorization (CVE-ID: CVE-2022-20100)

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to a missing permission check within aee daemon. A local privileged application can gain access to sensitive information.


13) Improper Input Validation (CVE-ID: CVE-2022-20099)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to improper input validation within aee daemon. A local privileged application can execute arbitrary code.


14) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-20097)

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to a race condition within aee daemon. A local application can gain access to sensitive information.


15) Missing Authorization (CVE-ID: CVE-2022-20084)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing permission check within telephony. A local application can execute arbitrary code.


16) Use of Uninitialized Variable (CVE-ID: CVE-2022-20096)

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to uninitialized data within camera. A local privileged application can gain access to sensitive information.


17) Improper Input Validation (CVE-ID: CVE-2022-20095)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within imgsensor. A local privileged application can execute arbitrary code.


18) Improper Input Validation (CVE-ID: CVE-2022-20094)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within imgsensor. A local privileged application can execute arbitrary code.


19) Missing Authorization (CVE-ID: CVE-2022-20093)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing permission check within telephony. A local application can execute arbitrary code.


20) Improper Input Validation (CVE-ID: CVE-2022-20092)

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to a missing bounds check within alac decoder. A local application can gain access to sensitive information.


21) Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-ID: CVE-2022-20091)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a race condition within aee driver. A local privileged application can execute arbitrary code.


22) Missing Synchronization (CVE-ID: CVE-2022-20090)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a race condition within aee driver. A local privileged application can execute arbitrary code.


23) Active Debug Code (CVE-ID: CVE-2022-20089)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to active debug code within aee driver. A local privileged application can execute arbitrary code.


24) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-20088)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to incorrect error handling within aee driver. A local privileged application can execute arbitrary code.


25) Improper Input Validation (CVE-ID: CVE-2022-20087)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within ccu. A local privileged application can execute arbitrary code.


26) UNIX Symbolic Link (Symlink) Following (CVE-ID: CVE-2022-20085)

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an improper link resolution within netdiag. A local privileged application can execute arbitrary code.


27) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-20110)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a race condition within ion. A local application can execute arbitrary code.


28) Improper Update of Reference Count (CVE-ID: CVE-2022-20109)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper update of reference count within ion. A local application can execute arbitrary code.


Remediation

Install update from vendor's website.