CVE Vulnerabilities

CVE-2023-34335

Authentication Bypass Using an Alternate Path or Channel

Published: Jun 12, 2023 | Modified: Nov 21, 2024
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI flash, bypassing secure boot protections. An exploitation of this vulnerability may lead to a loss of integrity or denial of service.

 

Weakness

The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Affected Software

Name Vendor Start Version End Version
Megarac_spx Ami 12.0 (including) 12.7 (excluding)
Megarac_spx Ami 13.0 (including) 13.5 (excluding)

Potential Mitigations

References