Buffer Overflow in Supermicro Motherboard X12DPG-QR Affects Security
CVE-2023-34853

7.8HIGH

Key Information:

Vendor

Supermicro

Vendor
CVE Published:
22 August 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-34853?

A buffer overflow vulnerability in the Supermicro X12DPG-QR motherboard version 1.4b allows local attackers to manipulate the SmcSecurityEraseSetupVar variable. By exploiting this flaw, attackers may hijack the control flow of the device, potentially leading to unauthorized access or execution of malicious code. It is crucial for users to apply security updates and monitor affected systems to mitigate potential risks.

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

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.
CVE-2023-34853 : Buffer Overflow in Supermicro Motherboard X12DPG-QR Affects Security