CVE-2021-26335
Quick assessment
Affected
AMD Ryzen™ Series
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.
AMD Secure Processor（ASP）是美国AMD公司的一款独立的 ARM Coretex-A5 芯片。 AMD 多款产品存在输入验证错误漏洞，该漏洞源于平台安全处理器 (PSP) 引导加载程序映像标头中的不正确输入和范围检查可能允许攻击者在签名验证之前使用攻击控制的值，从而可能导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26335
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.
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
AMD Secure Processor 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Processor（ASP）是美国AMD公司的一款独立的 ARM Coretex-A5 芯片。 AMD 多款产品存在输入验证错误漏洞，该漏洞源于平台安全处理器 (PSP) 引导加载程序映像标头中的不正确输入和范围检查可能允许攻击者在签名验证之前使用攻击控制的值，从而可能导致任意代码执行。
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 |
|---|---|---|---|---|
| AMD | Ryzen™ Series | various | - |
|
| AMD | Athlon™ Series | various | - |
|
II. Public POCs for CVE-2021-26335
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-26335 (1)
Same Patch Batch · AMD · 2021-11-16 · 21 CVEs total
| CVE-2021-26331 | AMD多款产品输入验证错误漏洞 | |
| CVE-2021-26337 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26325 | AMD 多款产品输入验证错误漏洞 | |
| CVE-2021-26330 | AMD 多款产品缓冲区错误漏洞 | |
| CVE-2021-26327 | Advanced Micro Devices SNP 输入验证错误漏洞 | |
| CVE-2020-12944 | AMD Secure Processor输入验证错误漏洞 | |
| CVE-2021-26323 | Advanced Micro Devices SNP 输入验证错误漏洞 | |
| CVE-2020-12961 | AMD Platform Security Processor输入验证错误漏洞 | |
| CVE-2021-26315 | AMD Platform Security Processor 数据伪造问题漏洞 | |
| CVE-2020-12954 | AMD Platform Security Processor 安全漏洞 | |
| CVE-2021-26326 | AMD 多款产品安全漏洞 | |
| CVE-2021-26321 | AMD Platform Security Processor命令注入漏洞 | |
| CVE-2020-12951 | AMD Platform Security Processor 竞争条件问题漏洞 | |
| CVE-2021-26320 | AMD Platform Security Processor信任管理问题漏洞 | |
| CVE-2021-26336 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2020-12946 | AMD Platform Security Processor 输入验证错误漏洞 | |
| CVE-2021-26322 | AMD Secure Processor 安全特征问题漏洞 | |
| CVE-2021-26329 | AMD 多款产品输入验证错误漏洞 | |
| CVE-2021-26312 | AMD Platform Security Processor安全漏洞 | |
| CVE-2021-26338 | AMD System Management Unit 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26335
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