CVE-2022-20034
Quick assessment
Affected
MediaTek, Inc. MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6853, MT6873, MT6875, MT6877, MT6885, MT6891, MT6893
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）的MediaTek 的多款芯片。 MediaTek 芯片存在安全漏洞，该漏洞源于在Preloader XFLASH中，由于证书验证不当，可能会导致权限升级。攻击者可利用该漏洞在不需要额外执行特权的情况下对设备进行物理访问，从而在本地升级特权。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-20034
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Preloader XFLASH, there is a possible escalation of privilege due to an improper certificate validation. 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 not needed for exploitation. Patch ID: ALPS06160806; Issue ID: ALPS06160806.
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 芯片信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek 芯片是中国联发科（Mediatek）的MediaTek 的多款芯片。 MediaTek 芯片存在安全漏洞，该漏洞源于在Preloader XFLASH中，由于证书验证不当，可能会导致权限升级。攻击者可利用该漏洞在不需要额外执行特权的情况下对设备进行物理访问，从而在本地升级特权。
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. | MT6580, MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6799, MT6833, MT6853, MT6873, MT6875, MT6877, MT6885, MT6891, MT6893 | Android 11.0 | - |
|
II. Public POCs for CVE-2022-20034
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-20034 (1)
-
https://corp.mediatek.com/product-security-bulletin/February-2022 x_refsource_MISC
Same Patch Batch · MediaTek, Inc. · 2022-02-09 · 24 CVEs total
| CVE-2022-20035 | MediaTek 芯片 资源管理错误漏洞 | |
| CVE-2022-20046 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20045 | Bluetooth 资源管理错误漏洞 | |
| CVE-2022-20044 | MediaTek 芯片 资源管理错误漏洞 | |
| CVE-2022-20043 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20042 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20041 | MediaTek 芯片安全漏洞 | |
| CVE-2022-20040 | MediaTek 芯片 缓冲区错误漏洞 | |
| CVE-2022-20039 | MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20038 | MediaTek 芯片缓冲区错误漏洞 | |
| CVE-2022-20037 | MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20036 | MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20024 | Google Android 安全漏洞 | |
| CVE-2022-20033 | MediaTek 芯片 缓冲区错误漏洞 | |
| CVE-2022-20017 | MediaTek 芯片 输入验证错误漏洞 | |
| CVE-2022-20032 | MediaTek 芯片竞争条件问题漏洞 | |
| CVE-2022-20031 | MediaTek 芯片 资源管理错误漏洞 | |
| CVE-2022-20030 | MediaTek 芯片 缓冲区错误漏洞 | |
| CVE-2022-20029 | MediaTek 芯片缓冲区错误漏洞 | |
| CVE-2022-20028 | Google Android 缓冲区错误漏洞 |
Showing top 20 of 24 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-20034
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