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CVE-2021-25476

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 SMR是韩国三星（Samsung）公司的一个系统补丁包。提供了三星手机应用的补丁程序。 Samsung SMR Oct-2021 Release 1 之前版本存在安全漏洞，该漏洞源于Widevine TA日志中的信息泄露，允许攻击者利用该漏洞绕过TEE中的ASLR保护机制。

CVSS 4.1 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2021-25476

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An information disclosure vulnerability in Widevine TA log prior to SMR Oct-2021 Release 1 allows attackers to bypass the ASLR protection mechanism in TEE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1295
Source: CVE Program / CVE List V5
Vulnerability Title
Samsung SMR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung SMR是韩国三星（Samsung）公司的一个系统补丁包。提供了三星手机应用的补丁程序。 Samsung SMR Oct-2021 Release 1 之前版本存在安全漏洞，该漏洞源于Widevine TA日志中的信息泄露，允许攻击者利用该漏洞绕过TEE中的ASLR保护机制。
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 Select Q(10.0), R(11.0) devices with Exynos chipsets ~ SMR Oct-2021 Release 1 -

II. Public POCs for CVE-2021-25476

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III. Intelligence Information for CVE-2021-25476

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Other References for CVE-2021-25476 (1)

Same Patch Batch · Samsung Mobile · 2021-10-06 · 33 CVEs total

CVE-2021-25470 7.9 HIGH Samsung SMR 安全漏洞
CVE-2021-25485 7.5 HIGH Samsung SMR 路径遍历漏洞
CVE-2021-25498 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25487 7.3 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25492 7.3 HIGH Samsung Notes 缓冲区错误漏洞
CVE-2021-25495 7.3 HIGH Samsung Notes 缓冲区错误漏洞
CVE-2021-25496 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25497 7.3 HIGH Samsung Notes 安全漏洞
CVE-2021-25478 7.2 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25479 7.2 HIGH Samsung SMR 缓冲区错误漏洞
CVE-2021-25499 7.1 HIGH Samsung Galaxy Store 授权问题漏洞
CVE-2021-25481 6.4 MEDIUM Samsung SMR 代码问题漏洞
CVE-2021-25469 6.0 MEDIUM Samsung SMR 缓冲区错误漏洞
CVE-2021-25490 6.0 MEDIUM SAMSUNG Mobile devices 安全漏洞
CVE-2021-25482 5.9 MEDIUM Samsung SMR SQL注入漏洞
CVE-2021-25488 5.5 MEDIUM Samsung SMR 缓冲区错误漏洞
CVE-2021-25467 5.3 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25480 4.4 MEDIUM Samsung SMR 安全漏洞
CVE-2021-25477 4.4 MEDIUM Samsung SMR 资源管理错误漏洞
CVE-2021-25474 4.4 MEDIUM Samsung SMR 安全漏洞

Showing top 20 of 33 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Samsung Mobile Devices
Same vendor: Samsung Mobile
Same weakness: CWE-1295

V. Comments for CVE-2021-25476

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