CVE-2023-20562

7.8HIGH

Key Information:

Vendor
Amd
Status
Μprof
Vendor
CVE Published:
8 August 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD uProf may allow an authenticated user to load an unsigned driver potentially leading to arbitrary kernel execution.

Affected Version(s)

μProf x86 various

μProf x86 various < 4.1-424

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

HITCON-2023-Demo-CVE-2023-20562
Created by zeze-zeze

HITCON-2023-Demo-CVE-2023-20562
Created by passwa11

References

https://www.amd.com/en/corporate/product-security/bulleti...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database2 Proof of Concept(s)
.