SB2022040722 - Multiple vulnerabilities in MediaTek chipsets

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Main Vulnerability Database SB2022040722

SB2022040722 - Multiple vulnerabilities in MediaTek chipsets

Published: April 7, 2022 Updated: March 7, 2023

Security Bulletin ID SB2022040722
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 22
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 9% Low 91%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 22 vulnerabilities.


1) Improperly Implemented Security Check for Standard (CVE-ID: CVE-2022-20071)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

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 certificate validation within ccu. A local privileged application can execute arbitrary code.


2) Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-ID: CVE-2022-20080)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('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 race condition within SUB2AF. A local privileged application can execute arbitrary code.


3) Improper Input Validation (CVE-ID: CVE-2022-20079)

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 a improper input validation within vow. A local privileged application can gain access to sensitive information.


4) Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-ID: CVE-2022-20078)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('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 race condition within vow. A local privileged application can execute arbitrary code.


5) Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-ID: CVE-2022-20077)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('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 race condition within vow. A local privileged application can execute arbitrary code.


6) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-20076)

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

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 error handling within ged. A local privileged application can gain access to sensitive information.


7) Integer overflow (CVE-ID: CVE-2022-20075)

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 an integer overflow within ged. A local privileged application can execute arbitrary code.


8) Out-of-bounds read (CVE-ID: CVE-2022-20074)

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

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 execute arbitrary code.

The vulnerability exists due to a missing bounds check within preloader (partition). A local application can execute arbitrary code.


9) Integer underflow (CVE-ID: CVE-2022-20073)

CWE-ID: CWE-191 - Integer underflow

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 execute arbitrary code.

The vulnerability exists due to a integer underflow within preloader (usb). A local application can execute arbitrary code.


10) Incorrect Comparison (CVE-ID: CVE-2022-20072)

CWE-ID: CWE-697 - Incorrect Comparison

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 comparison within search engine service. A local privileged application can execute arbitrary code.


11) Improper Input Validation (CVE-ID: CVE-2022-20070)

CWE-ID: CWE-20 - Improper input validation

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 ssmr. A local privileged application can execute arbitrary code.


12) Improper Certificate Validation (CVE-ID: CVE-2022-20081)

CWE-ID: CWE-295 - Improper Certificate Validation

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


The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper improper certificate validation in A-GPS. A remote attacker can perform MitM attack.


13) Integer overflow (CVE-ID: CVE-2022-20069)

CWE-ID: CWE-190 - Integer overflow

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 execute arbitrary code.

The vulnerability exists due to an integer overflow within preloader (usb). A local application can execute arbitrary code.


14) UNIX Symbolic Link (Symlink) Following (CVE-ID: CVE-2022-20068)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

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 improper link resolution within mobile_log_d. A local privileged application can execute arbitrary code.


15) Use After Free (CVE-ID: CVE-2022-20052)

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 mdp. A local privileged application can execute arbitrary code.


16) Improper Input Validation (CVE-ID: CVE-2022-20067)

CWE-ID: CWE-20 - Improper input validation

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 mdp. A local privileged application can execute arbitrary code.


17) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-20066)

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

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 incorrect error handling within atf (hwfde). A local privileged application can gain access to sensitive information.


18) Out-of-bounds read (CVE-ID: CVE-2022-20065)

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 a missing bounds check within ccci. A local privileged application can gain access to sensitive information.


19) Out-of-bounds read (CVE-ID: CVE-2022-20064)

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


20) Out-of-bounds write (CVE-ID: CVE-2022-20063)

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:U/U:Clear


The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within atf (spm). A local privileged application can execute arbitrary code.


21) Use After Free (CVE-ID: CVE-2022-20062)

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 mdp. A local privileged application can execute arbitrary code.


22) Double Free (CVE-ID: CVE-2021-25477)

CWE-ID: CWE-415 - Double Free

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 double free error within the Modem LTE RRC when decoding an incorrect ASN.1 data. A remote attacker can pass specially crafted data to the system, trigger a double free error and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References