Bypassing Protections and Leaking/Corrupting SMM Memory: Vulnerabilities in AmdPspP2CmboxV2
CVE-2023-52712

7.8HIGH

Key Information:

Vendor

Huawei
Status
Curiem-wfg9b
Vendor
CVE Published:
28 May 2024

What is CVE-2023-52712?

The vulnerability arises from various issues connected to an exposed SMI handler within the AMD Processor Security Suite. This flaw allows an attacker to bypass the safeguards implemented during previous UEFI phases, leading to unauthorized access to the SPI flash. Additionally, attackers can exploit this vulnerability to leak and compromise SMM memory, potentially resulting in arbitrary code execution within the System Management Mode (SMM). Organizations utilizing affected AMD products are advised to review and mitigate risks associated with this vulnerability.

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Affected Version(s)

CurieM-WFG9B OTA-CurieM-B-BIOS-2.28

References

https://www.huawei.com/en/psirt/security-advisories/2024/...

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

  • Vulnerability Reserved

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