SB2022020862 - Multiple vulnerabilities in MediaTek chipsets



SB2022020862 - Multiple vulnerabilities in MediaTek chipsets

Published: February 8, 2022 Updated: March 7, 2023

Security Bulletin ID SB2022020862
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 24
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 24 vulnerabilities.


1) Information Exposure (CVE-ID: CVE-2022-20036)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an incorrect bounds check within ion driver. A local application can gain access to sensitive information.


2) Improper Release of Memory Before Removing Last Reference ('Memory Leak') (CVE-ID: CVE-2022-20046)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a logic error within Bluetooth. A local application can perform service disruption.


3) Use After Free (CVE-ID: CVE-2022-20045)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a use after free within Bluetooth. A local application can execute arbitrary code.


4) Use After Free (CVE-ID: CVE-2022-20044)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a use after free within Bluetooth. A local application can execute arbitrary code.


5) Improper Privilege Management (CVE-ID: CVE-2022-20043)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


6) Information Exposure (CVE-ID: CVE-2022-20042)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to incorrect error handling within Bluetooth. A local application can gain access to sensitive information.


7) Improper Privilege Management (CVE-ID: CVE-2022-20041)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


8) Stack-based buffer overflow (CVE-ID: CVE-2022-20040)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


9) Integer overflow (CVE-ID: CVE-2022-20039)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


10) Memory corruption (CVE-ID: CVE-2022-20038)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


11) Information Exposure (CVE-ID: CVE-2022-20037)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an incorrect bounds check within ion driver. A local application can gain access to sensitive information.


12) Use After Free (CVE-ID: CVE-2022-20035)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a use after free within vcu driver. A local privileged application can execute arbitrary code.


13) Improper Input Validation (CVE-ID: CVE-2022-20024)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


14) Improper Authentication (CVE-ID: CVE-2022-20034)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an improper certificate validation within Preloader XFLASH. A local application can execute arbitrary code.


15) Information Exposure (CVE-ID: CVE-2022-20017)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an incorrect bounds check within ion driver. A local application can gain access to sensitive information.


16) Out-of-bounds read (CVE-ID: CVE-2022-20033)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an incorrect bounds check within camera driver. A local privileged application can gain access to sensitive information.


17) Out-of-bounds read (CVE-ID: CVE-2022-20032)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a race condition within vow driver. A local privileged application can gain access to sensitive information.


18) Use After Free (CVE-ID: CVE-2022-20031)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a use after free within fb driver. A local application can execute arbitrary code.


19) Stack-based buffer overflow (CVE-ID: CVE-2022-20030)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


20) Out-of-bounds read (CVE-ID: CVE-2022-20029)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an incorrect bounds check within cmdq driver. A local privileged application can gain access to sensitive information.


21) Write-what-where Condition (CVE-ID: CVE-2022-20028)

CWE-ID: CWE-123 - Write-what-where Condition

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


22) Write-what-where Condition (CVE-ID: CVE-2022-20027)

CWE-ID: CWE-123 - Write-what-where Condition

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


23) Heap-based Buffer Overflow (CVE-ID: CVE-2022-20026)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


24) Stack-based buffer overflow (CVE-ID: CVE-2022-20025)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


Remediation

Install update from vendor's website.