SB2021102519 - Multiple vulnerabilities in MediaTek Chipsets

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Main Vulnerability Database SB2021102519

SB2021102519 - Multiple vulnerabilities in MediaTek Chipsets

Published: October 25, 2021 Updated: March 7, 2023

Security Bulletin ID SB2021102519
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) Out-of-bounds write (CVE-ID: CVE-2021-0661)

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

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:P/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in audio DSP. A local administrator can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.


2) Out-of-bounds write (CVE-ID: CVE-2021-0662)

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

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:P/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in audio DSP. A local administrator can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.


3) Out-of-bounds write (CVE-ID: CVE-2021-0663)

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

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:P/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in audio DSP. A local administrator can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.


4) Memory corruption (CVE-ID: CVE-2021-0634)

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 uninitialized data within display driver. A local privileged application can execute arbitrary code.


5) Out-of-bounds read (CVE-ID: CVE-2021-0616)

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 ape extractor. A local application can gain access to sensitive information.


6) Out-of-bounds read (CVE-ID: CVE-2021-0615)

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 flv extractor. A local application can gain access to sensitive information.


7) Out-of-bounds read (CVE-ID: CVE-2021-0614)

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 incorrect bounds check within asf extractor. A local application can gain access to sensitive information.


8) Out-of-bounds read (CVE-ID: CVE-2021-0613)

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 incorrect bounds check within asf extractor. A local application can gain access to sensitive information.


9) Out-of-bounds read (CVE-ID: CVE-2021-0414)

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.


10) Out-of-bounds read (CVE-ID: CVE-2021-0413)

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 flv extractor. A local application can gain access to sensitive information.


11) Out-of-bounds read (CVE-ID: CVE-2021-0412)

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 flv extractor. A local application can gain access to sensitive information.


12) Out-of-bounds read (CVE-ID: CVE-2021-0411)

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 flv extractor. A local application can gain access to sensitive information.


13) Out-of-bounds read (CVE-ID: CVE-2021-0410)

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 incorrect bounds check within flv extractor. A local application can gain access to sensitive information.


14) Out-of-bounds read (CVE-ID: CVE-2021-0409)

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 incorrect bounds check within flv extractor. A local application can gain access to sensitive information.


15) Heap-based Buffer Overflow (CVE-ID: CVE-2021-0633)

CWE-ID: CWE-122 - Heap-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 an incorrect bounds check within display driver. A local privileged application can execute arbitrary code.


16) Information Exposure (CVE-ID: CVE-2021-0632)

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 bounds check within wifi driver. A local application can gain access to sensitive information.


17) Buffer over-read (CVE-ID: CVE-2021-0631)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: 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/E:U/U:Clear


The vulnerability allows a local application to perform service disruption.

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


18) Integer overflow (CVE-ID: CVE-2021-0630)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 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/E:U/U:Clear


The vulnerability allows a local application to perform service disruption.

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


19) Memory corruption (CVE-ID: CVE-2021-0625)

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 improper locking within ccu. A local privileged application can execute arbitrary code.


20) Out-of-bounds read (CVE-ID: CVE-2021-0618)

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 ape extractor. A local application can gain access to sensitive information.


21) Out-of-bounds read (CVE-ID: CVE-2021-0617)

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 ape extractor. A local application can gain access to sensitive information.


Remediation

Install update from vendor's website.

References