The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform and OTT chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.
The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).
The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).
Summary
Details
| CVE | CVE-2022-32619 |
|---|---|
| Title | Buffer copy without checking size of input ('classic buffer overflow') in keyinstall |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') |
| Description | In keyinstall, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8666, MT8667, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0, 13.0 |
| CVE | CVE-2022-32594 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2022-32597 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2022-32598 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2022-32596 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2022-32620 |
|---|---|
| Title | Improper access control in mpu |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-284 Improper Access Control |
| Description | In mpu, there is a possible memory corruption due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6781, MT6789, MT6833, MT6853, MT6873, MT6877, MT8781, MT8791 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2022-32595 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2022-32621 |
|---|---|
| Title | Improper synchronization in isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-662 Improper Synchronization |
| Description | In isp, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6895, MT6983 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2022-32622 |
|---|---|
| Title | Improper input validation in gz |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In gz, there is a possible memory corruption due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6789, MT6855, MT6879, MT6895, MT6983, MT8781 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2022-32624 |
|---|---|
| Title | Buffer copy without checking size of input ('classic buffer overflow') in throttling |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') |
| Description | In throttling, there is a possible out of bounds write due to an incorrect calculation of buffer size. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6789, MT6855, MT6895, MT6983, MT8168, MT8365, MT8781 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-32625 |
|---|---|
| Title | Improper input validation in display |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In display, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8168, MT8365, MT8675, MT8766, MT8781, MT8791 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-32626 |
|---|---|
| Title | Improper input validation in display |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In display, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8168, MT8365, MT8766, MT8781, MT8791 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-32628 |
|---|---|
| Title | Improper input validation in isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, MT8791 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2022-32629 |
|---|---|
| Title | Improper input validation in isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In isp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, MT8791 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2022-32630 |
|---|---|
| Title | Stack-based buffer overflow in throttling |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-121 Stack-based Buffer Overflow |
| Description | In throttling, there is a possible out of bounds write due to an incorrect calculation of buffer size. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6789, MT6855, MT6895, MT6983, MT8781 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2022-32631 |
|---|---|
| Title | Improper input validation in Wi-Fi |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In Wi-Fi, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6873, MT6877, MT6879, MT6883, MT6895, MT6983, MT8168, MT8365, MT8385, MT8666, MT8667, MT8675, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 and Yocto 3.1 |
| CVE | CVE-2022-32632 |
|---|---|
| Title | Improper input validation in Wi-Fi |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In Wi-Fi, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6735, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6983, MT7663, MT7668, MT7902, MT7921, MT7933, MT8168, MT8365, MT8518, MT8532, MT8666, MT8667, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 and Yocto 3.1,3.3 |
| CVE | CVE-2022-32633 |
|---|---|
| Title | Incorrect use of privileged apis in Wi-Fi |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-648 Incorrect Use of Privileged APIs |
| Description | In Wi-Fi, there is a possible memory access violation due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 and Yocto 3.1,3.3 |
| CVE | CVE-2022-32634 |
|---|---|
| Title | Improper input validation in ccci |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ccci, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
Vulnerability Type Definition
| Abbreviation | Definition |
|---|---|
| RCE | Remote Code Execution |
| EoP | Elevation of Privilege |
| ID | Information Disclosure |
| DoS | Denial of Service |
| N/A | Classification not available |
Versions
| Version | Date | Description |
| 1.0 | December 5, 2022 | Bulletin published. |
Notes
Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.