CVE-2022-20020
Quick assessment
Affected
MediaTek, Inc. MT6739, MT6768, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MediaTek 芯片是中国联发科（MediaTek）公司的MediaTek 的多款芯片。 MediaTek 芯片 存在输入验证错误漏洞，该漏洞源于在 libvcodecdrv 中，由于缺少边界检查，可能存在信息泄露。 这可能会导致本地信息泄露，而无需额外的执行权限。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2022-20020
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In libvcodecdrv, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05943906; Issue ID: ALPS05943906.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mediatek MediaTek 芯片 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek 芯片是中国联发科（MediaTek）公司的MediaTek 的多款芯片。 MediaTek 芯片 存在输入验证错误漏洞，该漏洞源于在 libvcodecdrv 中，由于缺少边界检查，可能存在信息泄露。 这可能会导致本地信息泄露，而无需额外的执行权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MediaTek, Inc. | MT6739, MT6768, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 | Android 11.0 | - |
|
II. Public POCs for CVE-2022-20020
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2022-20020 (1)
-
https://corp.mediatek.com/product-security-bulletin/January-2022 x_refsource_MISC
Same Patch Batch · MediaTek, Inc. · 2022-01-04 · 11 CVEs total
| CVE-2022-20012 | MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20013 | MediaTek 芯片竞争条件问题漏洞 | |
| CVE-2022-20014 | MediaTek 芯片 缓冲区错误漏洞 | |
| CVE-2022-20015 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20016 | MediaTek 芯片 竞争条件问题漏洞 | |
| CVE-2022-20018 | MediaTek 芯片 安全漏洞 | |
| CVE-2022-20019 | Mediatek MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20021 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20022 | MediaTek 芯片 安全漏洞 | |
| CVE-2022-20023 | MediaTek 芯片 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2022-20020
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