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-2023-20620 |
|---|---|
| Title | Time-of-check time-of-use (toctou) race condition in adsp |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition |
| Description | In adsp, there is a possible escalation of privilege 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 | MT6879, MT6895, MT6983 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20621 |
|---|---|
| Title | Improper input validation in tinysys |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In tinysys, 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 | MT6739, MT6761, MT6762, MT6765, MT6771, MT6789, MT6879, MT6883, MT6885, MT6893, MT6895, MT6983 |
| Affected Software Versions | Android 10.0, 11.0, 12.0, 13.0 |
| CVE | CVE-2023-20623 |
|---|---|
| Title | Time-of-check time-of-use (toctou) race condition in ion |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition |
| Description | In ion, there is a possible escalation of privilege due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8173, MT8532, MT8666, MT8667, MT8788 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 or Yocto 3.1, 3.3, 4.0 |
| CVE | CVE-2023-20624 |
|---|---|
| Title | Buffer copy without checking size of input ('classic buffer overflow') in vow |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') |
| Description | In vow, 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 | MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6983, MT8781, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20625 |
|---|---|
| Title | Improper synchronization in adsp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-662 Improper Synchronization |
| Description | In adsp, there is a possible double free 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 | MT6739, MT6761, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8781, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20626 |
|---|---|
| Title | Improper input validation in msdc |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In msdc, 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 | MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8666, MT8667, MT8675, MT8765, MT8766, MT8768, MT8785, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 10.0, 11.0, 12.0 |
| CVE | CVE-2023-20627 |
|---|---|
| Title | Incorrect calculation of buffer size in pqframework |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-131 Incorrect Calculation of Buffer Size |
| Description | In pqframework, 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 | MT6879, MT6895, MT6983, MT8167, MT8168 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20628 |
|---|---|
| Title | Improper check or handling of exceptional conditions in thermal |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-703 Improper Check or Handling of Exceptional Conditions |
| Description | In thermal, there is a possible memory corruption due to an uncaught exception. 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, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8175, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20630 |
|---|---|
| Title | Out-of-bounds write in usb |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In usb, 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 | MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6885, MT6893, MT6895, MT6983, MT8167, MT8168, MT8666, MT8675 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-20632 |
|---|---|
| Title | Out-of-bounds write in usb |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In usb, 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 | MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6885, MT6893, MT6895, MT6983, MT8167, MT8168, MT8666, MT8675 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-20633 |
|---|---|
| Title | Improper validation of array index in usb |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-129 Improper Validation of Array Index |
| Description | In usb, 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 | MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6885, MT6893, MT6895, MT6983, MT8167, MT8168, MT8666, MT8675 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-20634 |
|---|---|
| Title | Improper input validation in widevine |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In widevine, 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 | MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT8768, MT8786, MT8788, MT8789, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2023-20635 |
|---|---|
| Title | Integer underflow (wrap or wraparound) in keyinstall |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-191 Integer Underflow (Wrap or Wraparound) |
| Description | In keyinstall, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure 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-2023-20636 |
|---|---|
| Title | Improper input validation in display drm |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In display drm, 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 | MT6895, MT6985, MT8168, MT8781 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20637 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6879, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20638 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6739, MT6753, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20639 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6879, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20640 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6879, MT6895, MT6983, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20641 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6879, MT6895, MT6983, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20642 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6879, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20643 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, 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 | MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6781, MT6785, MT6833, MT6853, MT6873, MT6875, MT6877, MT6891, MT6893, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20644 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20645 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6739, MT6761, MT6762, MT6763, MT6765, MT6769, MT6771, MT6779, MT6785, MT6789, MT6873, MT6875, MT6877, MT6879, MT6895, MT6983, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20646 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | 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, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20647 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6739, MT6761, MT6762, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20648 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | 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, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20649 |
|---|---|
| Title | Improper input validation in ril |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In ril, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | 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, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20650 |
|---|---|
| Title | Improper input validation in apu |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In apu, 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 | MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-20651 |
|---|---|
| Title | Improper input validation in apu |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In apu, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6853, MT6853T, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT8195Z |
| Affected Software Versions | Android 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 | March 6, 2023 | 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.