The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT, Wi-Fi, TV, Computer Vision and Audio 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
| Severity | CVEs |
|---|---|
| High | CVE-2023-32832, CVE-2023-32818, CVE-2023-32834, CVE-2023-32835, CVE-2023-32836, CVE-2023-32837, CVE-2023-20702 |
| Medium | CVE-2023-32838, CVE-2023-32839, CVE-2023-32825, CVE-2023-32840 |
Details
| CVE | CVE-2023-32832 |
|---|---|
| Title | Concurrent execution using shared resource with improper synchronization (race condition) in video |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-662 Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition) |
| Description | In video, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT6985, MT8797, MT8798 |
| Affected Software Versions | Android 12.0, 13.0 |
| CVE | CVE-2023-32818 |
|---|---|
| Title | Incorrect comparison in vdec |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-697 Incorrect Comparison |
| Description | In vdec, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6853, MT6873, MT6885 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-32834 |
|---|---|
| Title | Incorrect comparison in secmem |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-697 Incorrect Comparison |
| Description | In secmem, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6735, MT6737, MT6739, MT6753, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-32835 |
|---|---|
| Title | Incorrect comparison in keyinstall |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-697 Incorrect Comparison |
| Description | In keyinstall, there is a possible memory corruption due to type confusion. 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, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-32836 |
|---|---|
| Title | Out-of-bounds write in display |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In display, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6893, MT6895, MT6983, MT6985, MT8797, MT8798 |
| Affected Software Versions | Android 11.0, 12.0, 13.0 |
| CVE | CVE-2023-32837 |
|---|---|
| Title | Concurrent execution using shared resource with improper synchronization (race condition) in video |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-662 Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition) |
| Description | In video, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6883, MT6885, MT6889, MT6893, MT8797, MT8798 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2023-20702 |
|---|---|
| Title | Null pointer dereference in 5G RLC |
| Severity | High |
| Vulnerability Type | DoS |
| CWE | CWE-476 NULL Pointer Dereference |
| Description | In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798 |
| Affected Software Versions | Modem NR15, NR16, NR17 |
| CVE | CVE-2023-32838 |
|---|---|
| Title | Out-of-bounds write in dpe |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In dpe, there is a possible out of bounds write due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT2713, MT6895, MT6983, MT8188, MT8195, MT8390, MT8395, MT8673, MT8798 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2023-32839 |
|---|---|
| Title | Improper input validation in dpe |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In dpe, there is a possible out of bounds write due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT2713, MT6895, MT6983, MT8188, MT8195, MT8673, MT8798 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2023-32825 |
|---|---|
| Title | Out-of-bounds read in Bluetooth service |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-125 Out-of-bounds Read |
| Description | In bluethooth service, there is a possible out of bounds reads due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT2713, MT6580, MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6983, MT6985, MT7921, MT8168, MT8175, MT8188, MT8195, MT8321, MT8365, MT8390, MT8666, MT8667, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8797, MT8798 |
| Affected Software Versions | Android 13.0 |
| CVE | CVE-2023-32840 |
|---|---|
| Title | Out-of-bounds write in Modem CCCI |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In modem CCCI, 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 may be also needed for exploitation |
| Affected Chipsets | MT2731, MT2735, MT6731, MT6739, MT6761, MT6762, MT6763, MT6765, MT6767, MT6768, MT6769, MT6769T, MT6769Z, MT6771, MT6771T, MT6813, MT6833, MT6833P, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6877T, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895T, MT6896, MT6897, MT6980, MT6980D, MT6983T, MT6983W, MT6983Z, MT6985, MT6985T, MT6989, MT6990, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798 |
| Affected Software Versions | Modem LR12A, NR15, NR16, VMOLYN, NR17 |
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 | November 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.