CVE-2021-25338
Quick assessment
Affected
Samsung Mobile Samsung Mobile Devices
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.
SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices SMR Mar-2021 Release 1 版本之前存在安全漏洞，该漏洞源于不适当的内存访问控制，攻击者可利用该漏洞在一个受损的内核中写入RKP EL2内存区域的特定部分。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-25338
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Mobile devices 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Mobile devices是韩国三星（SAMSUNG）公司的一系列的三星移动设备，包括手机、平板等。 SAMSUNG Mobile devices SMR Mar-2021 Release 1 版本之前存在安全漏洞，该漏洞源于不适当的内存访问控制，攻击者可利用该漏洞在一个受损的内核中写入RKP EL2内存区域的特定部分。
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 |
|---|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices | Selected Q(10.0), R(11.0) ~ SMR Mar-2021 Release 1 | - |
|
II. Public POCs for CVE-2021-25338
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-25338 (1)
-
https://security.samsungmobile.com/securityUpdate.smsb x_refsource_CONFIRM
Same Patch Batch · Samsung Mobile · 2021-03-04 · 18 CVEs total
| CVE-2021-25346 | 7.1 HIGH | 三星 Samsung quram 缓冲区错误漏洞 |
| CVE-2021-25344 | 6.2 MEDIUM | knox_custom service 安全特征问题漏洞 |
| CVE-2021-25334 | 5.5 MEDIUM | Samsung mobile devices 输入验证错误漏洞 |
| CVE-2021-25347 | 5.3 MEDIUM | Samsung Email application 授权问题漏洞 |
| CVE-2021-25340 | 5.1 MEDIUM | SAMSUNG keyboard 安全漏洞 |
| CVE-2021-25339 | 4.4 MEDIUM | Samsung mobile devices 输入验证错误漏洞 |
| CVE-2021-25337 | 4.4 MEDIUM | SAMSUNG Mobile devices 安全漏洞 |
| CVE-2021-25343 | 4.0 MEDIUM | Samsung mobile devices 授权问题漏洞 |
| CVE-2021-25342 | 4.0 MEDIUM | Samsung mobile devices 授权问题漏洞 |
| CVE-2021-25341 | 4.0 MEDIUM | S Assistant 授权问题漏洞 |
| CVE-2021-25345 | 4.0 MEDIUM | hwcomposer 安全漏洞 |
| CVE-2021-25333 | 3.2 LOW | Samsung Pay mini 信息泄露漏洞 |
| CVE-2021-25332 | 3.2 LOW | Samsung Pay mini 信息泄露漏洞 |
| CVE-2021-25331 | 3.2 LOW | Samsung Pay mini 信息泄露漏洞 |
| CVE-2021-25336 | 2.8 LOW | Samsung mobile devices 安全漏洞 |
| CVE-2021-25335 | 2.5 LOW | Samsung mobile devices 安全漏洞 |
| CVE-2021-25348 | 2.1 LOW | Samsung Internet 安全漏洞 |
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V. Comments for CVE-2021-25338
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