Failure when uploading a Logo image file
CVE-2023-39539

7.5HIGH

Key Information:

Vendor

Ami

Status
Vendor
CVE Published:
6 December 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-39539?

AMI AptioV BIOS has a security flaw that allows local users to upload a PNG logo file without proper validation. This can lead to potential exploitation, putting the confidentiality, integrity, and availability of the system at risk. Attackers may leverage this vulnerability to execute malicious actions within the system, necessitating immediate attention and remediation.

Affected Version(s)

AptioV BKS_5.0

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.

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

Binarly efiXplorer Team
.