SB2021111215 - Multiple vulnerabilities in MediaTek chipsets

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021111215

SB2021111215 - Multiple vulnerabilities in MediaTek chipsets

Published: November 12, 2021 Updated: March 7, 2023

Security Bulletin ID SB2021111215
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 21
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 21 vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2021-0658)

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.


2) Memory corruption (CVE-ID: CVE-2021-0671)

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.


3) Memory corruption (CVE-ID: CVE-2021-0670)

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 use after free within apusys. A local privileged application can execute arbitrary code.


4) Use After Free (CVE-ID: CVE-2021-0669)

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.


5) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2021-0668)

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 incorrect error handling within apusys. A local privileged application can execute arbitrary code.


6) Use After Free (CVE-ID: CVE-2021-0667)

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) Out-of-bounds read (CVE-ID: CVE-2021-0666)

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


8) Out-of-bounds read (CVE-ID: CVE-2021-0665)

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


9) Memory corruption (CVE-ID: CVE-2021-0664)

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 use after free within ccu. A local privileged application can execute arbitrary code.


10) Out-of-bounds read (CVE-ID: CVE-2021-0659)

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


11) Stack-based buffer overflow (CVE-ID: CVE-2021-0657)

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 apusys. A local privileged application can execute arbitrary code.


12) Information Exposure (CVE-ID: CVE-2021-0672)

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 a missing permission check within Browser app. A local application can gain access to sensitive information.


13) Use After Free (CVE-ID: CVE-2021-0656)

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 edma driver. A local privileged application can execute arbitrary code.


14) Memory corruption (CVE-ID: CVE-2021-0655)

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 mdlactl driver. A local privileged application can execute arbitrary code.


15) Memory corruption (CVE-ID: CVE-2021-0629)

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 use after free within mdlactl driver. A local privileged application can execute arbitrary code.


16) Out-of-bounds read (CVE-ID: CVE-2021-0624)

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

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 a heap buffer overflow within flv extractor. A local application can gain access to sensitive information.


17) Out-of-bounds read (CVE-ID: CVE-2021-0623)

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

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 integer overflow within asf extractor. A local application can gain access to sensitive information.


18) Out-of-bounds read (CVE-ID: CVE-2021-0622)

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

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 a heap buffer overflow within asf extractor. A local application can gain access to sensitive information.


19) Out-of-bounds read (CVE-ID: CVE-2021-0621)

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

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 integer overflow within asf extractor. A local application can gain access to sensitive information.


20) Out-of-bounds read (CVE-ID: CVE-2021-0620)

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

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 a heap buffer overflow within asf extractor. A local application can gain access to sensitive information.


21) Out-of-bounds read (CVE-ID: CVE-2021-0619)

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

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 a missing bounds check within ape extractor. A local application can gain access to sensitive information.


Remediation

Install update from vendor's website.

References