MediaTek MT6833/MT6853/MT6873/MT6877/MT6885/MT6893 ccu double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in MediaTek MT6833, MT6853, MT6873, MT6877, MT6885 and MT6893. This affects an unknown part of the component ccu. Performing a manipulation results in double free. This vulnerability is reported as CVE-2022-21758. The attack requires a local approach. No exploit exists. Applying a patch is the recommended action to fix this issue.
Details
A vulnerability classified as critical has been found in MediaTek MT6833, MT6853, MT6873, MT6877, MT6885 and MT6893 (Chip Software). This affects some unknown functionality of the component ccu. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 06/07/2022. The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2022-21758 since 11/26/2021. Neither technical details nor an exploit are publicly available.
Applying a patch is able to eliminate this problem.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / CWE-119
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
11/26/2021 🔍06/07/2022 🔍
06/07/2022 🔍
06/10/2022 🔍
Sources
Advisory: corp.mediatek.comStatus: Confirmed
CVE: CVE-2022-21758 (🔍)
GCVE (CVE): GCVE-0-2022-21758
GCVE (VulDB): GCVE-100-201357
Entry
Created: 06/07/2022 11:46Updated: 06/10/2022 08:27
Changes: 06/07/2022 11:46 (38), 06/10/2022 08:27 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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