CVE-2023-52711: curiem-wfg9b Access Control Flaw — Fix

Description

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory thus potentially leading code execution in SMM

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-284 CWE-284

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
huawei	curiem-wfg9b_firmware	All
huawei	curiem-wfg9b	All

References

Advisories & Patches

https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-voiiaciahpp-6376e0c7-en https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-voiiaciahpp-6376e0c7-en

Frequently Asked Questions

What is CVE-2023-52711? +

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory thus potentially leading code execution in SMM It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52711? +

CVE-2023-52711 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-52711? +

CVE-2023-52711 affects products from huawei, specifically: curiem-wfg9b, curiem-wfg9b_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-52711? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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