MediaTek MT8167/MT8175/MT8183/MT8362A/MT8365/MT8385 Bluetooth out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.1 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in MediaTek MT8167, MT8175, MT8183, MT8362A, MT8365 and MT8385 (Chip Software). Affected is some unknown processing of the component Bluetooth. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
In Bluetooth, 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. Patch ID: ALPS06784430; Issue ID: ALPS06784430.
The weakness was presented 07/07/2022 as ALPS06784430. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-21767 since 11/26/2021. There are neither technical details nor an exploit publicly available.
Applying the patch ALPS06784430 is able to eliminate this problem.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.3VulDB Meta Temp Score: 8.1
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: ALPS06784430
Timeline
11/26/2021 🔍07/07/2022 🔍
07/07/2022 🔍
07/19/2022 🔍
Sources
Advisory: ALPS06784430Status: Confirmed
CVE: CVE-2022-21767 (🔍)
Entry
Created: 07/07/2022 10:09Updated: 07/19/2022 18:09
Changes: 07/07/2022 10:09 (41), 07/19/2022 18:09 (18)
Complete: 🔍
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