SB2022053102 - Multiple vulnerabilities in MediaTek Chipsets
Published: May 31, 2022 Updated: March 7, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 18 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2021-0674)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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.