CVE-2022-20055
Quick assessment
Affected
MediaTek, Inc. MT6761, MT6762, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6893, MT8183, MT8185, MT8321, MT8385, MT8666, MT8667, MT8675, MT8735A, MT8735B, 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 Mt Series是中国联发科技（MediaTek）公司的一系列智能手机芯片。 MediaTek 多款产品存在安全漏洞，该漏洞源于在预加载器 (usb) 中缺少边界检查，可能会出现越界写入。以下产品和版本受到影响：MT6761，MT6762，MT6765，MT6768，MT6771，MT6779，MT6781，MT6785，MT6833，MT6853，MT6853T，MT6873，MT6877，MT6885，MT6893，MT8183，MT8185，MT8321，MT8385，MT866
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-20055
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In preloader (usb), there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160830.
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 多款产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek Mt Series是中国联发科技（MediaTek）公司的一系列智能手机芯片。 MediaTek 多款产品存在安全漏洞，该漏洞源于在预加载器 (usb) 中缺少边界检查，可能会出现越界写入。以下产品和版本受到影响：MT6761，MT6762，MT6765，MT6768，MT6771，MT6779，MT6781，MT6785，MT6833，MT6853，MT6853T，MT6873，MT6877，MT6885，MT6893，MT8183，MT8185，MT8321，MT8385，MT866
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. | MT6761, MT6762, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6893, MT8183, MT8185, MT8321, MT8385, MT8666, MT8667, MT8675, MT8735A, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT87 | Android 10.0, 11.0, 12.0 | - |
|
II. Public POCs for CVE-2022-20055
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-20055 (1)
-
https://corp.mediatek.com/product-security-bulletin/March-2022 x_refsource_MISC
Same Patch Batch · MediaTek, Inc. · 2022-03-09 · 13 CVEs total
| CVE-2022-20047 | Google Android 缓冲区错误漏洞 | |
| CVE-2022-20048 | Google Android 缓冲区错误漏洞 | |
| CVE-2022-20053 | Google Android 缓冲区错误漏洞 | |
| CVE-2022-20049 | MediaTek 多款产品安全漏洞 | |
| CVE-2022-20050 | MediaTek 多款产品后置链接漏洞 | |
| CVE-2022-20051 | MediaTek 多款产品安全漏洞 | |
| CVE-2022-20054 | MediaTek 多款产品命令注入漏洞 | |
| CVE-2022-20056 | MediaTek 多款产品缓冲区错误漏洞 | |
| CVE-2022-20057 | MediaTek 多款产品安全漏洞 | |
| CVE-2022-20058 | MediaTek 多款产品缓冲区错误漏洞 | |
| CVE-2022-20059 | MediaTek 多款产品缓冲区错误漏洞 | |
| CVE-2022-20060 | MediaTek 多款产品访问控制错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2022-20055
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