SB2022053102 - Multiple vulnerabilities in MediaTek Chipsets

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Main Vulnerability Database SB2022053102

SB2022053102 - Multiple vulnerabilities in MediaTek Chipsets

Published: May 31, 2022 Updated: March 7, 2023

Security Bulletin ID SB2022053102
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 18
Exploitation vector Remote access
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) Out-of-bounds read (CVE-ID: CVE-2021-0674)

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

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


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in alac decoder. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.


2) Buffer overflow (CVE-ID: CVE-2021-0675)

CWE-ID: CWE-119 - Memory corruption

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


The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to a boundary error in alac decoder. A local attacker can trigger memory corruption and gain elevated privileges on the target system.


3) Improper Input Validation (CVE-ID: CVE-2021-0900)

CWE-ID: CWE-20 - Improper input validation

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 apusys. A local privileged application can gain access to sensitive information.


4) Memory corruption (CVE-ID: CVE-2021-0895)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


5) Memory corruption (CVE-ID: CVE-2021-0894)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


6) Use After Free (CVE-ID: CVE-2021-0893)

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 apusys. A local privileged application can execute arbitrary code.


7) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2021-0679)

CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions

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 missing bounds check within apusys. A local privileged application can execute arbitrary code.


8) Memory corruption (CVE-ID: CVE-2021-0678)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


9) Integer overflow (CVE-ID: CVE-2021-0677)

CWE-ID: CWE-190 - Integer overflow

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 integer overflow within ccu driver. A local privileged application can gain access to sensitive information.


10) Information Exposure (CVE-ID: CVE-2021-0676)

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

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 geniezone driver. A local privileged application can gain access to sensitive information.


11) Incorrect Permission Assignment for Critical Resource (CVE-ID: CVE-2021-0904)

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

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 insecure permission setting within SRAMROM. A local privileged application can execute arbitrary code.


12) Integer overflow (CVE-ID: CVE-2021-0901)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


13) Memory corruption (CVE-ID: CVE-2021-0903)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


14) Improper Input Validation (CVE-ID: CVE-2021-0902)

CWE-ID: CWE-20 - Improper input validation

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 apusys. A local privileged application can gain access to sensitive information.


15) Use After Free (CVE-ID: CVE-2021-0899)

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 apusys. A local privileged application can execute arbitrary code.


16) Use After Free (CVE-ID: CVE-2021-0898)

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 apusys. A local privileged application can execute arbitrary code.


17) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2021-0897)

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

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 missing bounds check within apusys. A local privileged application can execute arbitrary code.


18) Memory corruption (CVE-ID: CVE-2021-0896)

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 a missing bounds check within apusys. A local privileged application can execute arbitrary code.


Remediation

Install update from vendor's website.

References