Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-20555

Quick assessment

Affected
AMD Ryzen™ 3000 Series Desktop Processors “Matisse” AM4
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 Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于SMM驱动程序存在内存损坏漏洞。攻击者可利用该漏洞控制指针中的任意位来破坏SMM内存，从而导致任意代码执行。

AI Predicted 9.4 Difficulty: Hard EPSS 0.32% · P23
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-20555

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM.
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 Processors 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于SMM驱动程序存在内存损坏漏洞。攻击者可利用该漏洞控制指针中的任意位来破坏SMM内存，从而导致任意代码执行。
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™ 3000 Series Desktop Processors “Matisse” AM4 various -
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 various -
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” AM4 various -
AMD Ryzen™ 7000 Series Processors “Raphael” various -
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” various -
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics “Renoir” FP5 various -
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5 various -
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” various -
AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Picasso” various -
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6 various -
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” various -
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne” various -
AMD Ryzen™ 6000 Series Mobile Processors "Rembrandt" various -
AMD Ryzen™ 7030 Series Mobile Processors “Barcelo” various -
AMD Ryzen™ 7020 Series Mobile Processors “Mendocino” various -

II. Public POCs for CVE-2023-20555

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-20555

请登录查看更多情报信息。

Other References for CVE-2023-20555 (1)

Same Patch Batch · AMD · 2023-08-08 · 8 CVEs total

CVE-2023-20561
CVE-2023-20556
CVE-2023-20562
CVE-2023-20588 Speculative Leaks
CVE-2023-20586 Radeon™ Software Crimson ReLive Edition
CVE-2023-20589 fTPM Voltage Fault Injection
CVE-2023-20569 AMD CPUs 安全漏洞

IV. Related Vulnerabilities

Same product: Ryzen™ 3000 Series Desktop Processors “Matisse” AM4
Same vendor: AMD

V. Comments for CVE-2023-20555

No comments yet

Leave a comment