IPMI Handler Vulnerability in AMI BMC
CVE-2023-34335

9.1CRITICAL

Key Information:

Vendor

AMI

Status
MegaRAC_SPx
Vendor
CVE Published:
12 June 2023

What is CVE-2023-34335?

The AMI Baseboard Management Controller (BMC) is affected by a significant vulnerability in its Intelligent Platform Management Interface (IPMI) handler. This flaw permits an unauthenticated host to write directly to the host's Serial Peripheral Interface (SPI) flash memory, effectively bypassing the secure boot protections designed to maintain system integrity. Successful exploitation of this vulnerability could result in unauthorized alteration of critical system configurations, potentially leading to compromised system integrity or even a complete denial of service.

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Affected Version(s)

MegaRAC_SPx ARM 13.0 < 13.5

MegaRAC_SPx ARM 12.0 <= 12.7

References

https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

NVIDIA Offensive Security Research (OSR) team
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