MediaTek MT6833/MT6853/MT6873/MT6877/MT6885/MT6893/MT8797 ccu certificate validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in MediaTek MT6833, MT6853, MT6873, MT6877, MT6885, MT6893 and MT8797. This vulnerability affects unknown code of the component ccu. The manipulation results in certificate validation. This vulnerability is known as CVE-2022-20071. Attacking locally is a requirement. No exploit is available. It is advisable to implement a patch to correct this issue.
Details
A vulnerability was found in MediaTek MT6833, MT6853, MT6873, MT6877, MT6885, MT6893 and MT8797. It has been classified as critical. Affected is an unknown function of the component ccu. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 04/12/2022. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-20071 since 10/12/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.
Applying a patch is able to eliminate this problem.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
10/12/2021 🔍04/12/2022 🔍
04/12/2022 🔍
04/17/2022 🔍
Sources
Advisory: corp.mediatek.comStatus: Confirmed
CVE: CVE-2022-20071 (🔍)
GCVE (CVE): GCVE-0-2022-20071
GCVE (VulDB): GCVE-100-196980
Entry
Created: 04/12/2022 15:03Updated: 04/17/2022 07:37
Changes: 04/12/2022 15:03 (37), 04/17/2022 07:37 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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