SB2022100344 - Multiple vulnerabilities in MediaTek chipsets



SB2022100344 - Multiple vulnerabilities in MediaTek chipsets

Published: October 3, 2022

Security Bulletin ID SB2022100344
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 11
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 18% Low 82%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 11 vulnerabilities.


1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-26471)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

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 escalate privileges on the system.

The vulnerability exists due to insecure input validation when processing serialized data within the telephony service. A local application can pass a specially crafted data to the affected service and execute arbitrary code with elevated privileges.


2) Deserialization of Untrusted Data (CVE-ID: CVE-2022-26472)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

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 escalate privileges on the system.

The vulnerability exists due to insecure input validation when processing serialized data within the ims service. A local application can pass a specially crafted data to the affected service and execute arbitrary code with elevated privileges.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26452)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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 escalate privileges on the system.

The vulnerability exists due to improper locking within the isp component. A local application with System execution permissions can execute arbitrary code.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26473)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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 escalate privileges on the system.

The vulnerability exists due to improper locking within the vdec fmt component. A local application with System execution permissions can execute arbitrary code.

5) Buffer overflow (CVE-ID: CVE-2022-26474)

CWE-ID: CWE-119 - Memory corruption

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 escalate privileges on the system.

The vulnerability exists due to a boundary error in sensorhub. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.


6) Buffer overflow (CVE-ID: CVE-2022-26475)

CWE-ID: CWE-119 - Memory corruption

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 escalate privileges on the system.

The vulnerability exists due to a boundary error in WLAN component. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

7) Improper Resource Shutdown or Release (CVE-ID: CVE-2022-32589)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource shutdown or release in Wi-Fi driver. A remote attacker can send specially crafted traffic to the affected device and perform a denial of service (DoS) attack.


8) Use-after-free (CVE-ID: CVE-2022-32590)

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the WLAN component. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.


9) Buffer overflow (CVE-ID: CVE-2022-32591)

CWE-ID: CWE-119 - Memory corruption

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the ril component. A remote attacker can send specially crafted traffic to the device, trigger memory corruption and perform a denial of service (DoS) attack.


10) Input validation error (CVE-ID: CVE-2022-32592)

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 escalate privileges on the system.

The vulnerability exists due to improper input validation within cpu dvfs. A local application can execute arbitrary code with elevated privileges.

11) Out-of-bounds write (CVE-ID: CVE-2022-32593)

CWE-ID: CWE-787 - Out-of-bounds write

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 escalate privileges on the system.

The vulnerability exists due to a boundary error within the vowe component. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.