SB2022060636 - Multiple vulnerabilities in MediaTek chipsets



SB2022060636 - Multiple vulnerabilities in MediaTek chipsets

Published: June 6, 2022 Updated: March 7, 2023

Security Bulletin ID SB2022060636
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 18
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 6% Low 94%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 18 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-21745)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WIFI firmware. A remote attacker can trick the victim into connecting to the malicious hotspot compromise vulnerable system.


2) Improper Input Validation (CVE-ID: CVE-2022-21746)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to a missing bounds check within imgsensor. A local privileged application can perform service disruption.


3) Improper Input Validation (CVE-ID: CVE-2022-21747)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to a missing bounds check within imgsensor. A local privileged application can perform service disruption.


4) Improper Access Control (CVE-ID: CVE-2022-21748)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 4.8 [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]


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

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


5) Improper Access Control (CVE-ID: CVE-2022-21749)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 4.8 [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]


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

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


6) Improper Input Validation (CVE-ID: CVE-2022-21750)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [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]


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

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


7) Improper Input Validation (CVE-ID: CVE-2022-21751)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [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]


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

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


8) Improper Input Validation (CVE-ID: CVE-2022-21752)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [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]


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

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


9) Improper Input Validation (CVE-ID: CVE-2022-21753)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [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]


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

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


10) Improper Input Validation (CVE-ID: CVE-2022-21755)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [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]


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

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


11) Improper Input Validation (CVE-ID: CVE-2022-21754)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [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]


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

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


12) Improper Input Validation (CVE-ID: CVE-2022-21756)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [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]


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

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


13) Resource exhaustion (CVE-ID: CVE-2022-21757)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 4.8 [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]


The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a missing count check within WIFI Firmware. A local application can perform service disruption.


14) Double Free (CVE-ID: CVE-2022-21758)

CWE-ID: CWE-415 - Double Free

CVSSv4: 8.4 [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]


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

The vulnerability exists due to a double free within ccu. A local privileged application can execute arbitrary code.


15) Buffer overflow (CVE-ID: CVE-2022-21759)

CWE-ID: CWE-120 - Buffer overflow

CVSSv4: 8.4 [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]


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

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


16) Integer overflow (CVE-ID: CVE-2022-21760)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

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


17) Integer overflow (CVE-ID: CVE-2022-21761)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

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


18) Integer overflow (CVE-ID: CVE-2022-21762)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

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


Remediation

Install update from vendor's website.