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PUBLISHED

CVE-2023-35841

WinFlash Driver Permissions Issue

Reserved:2023-06-19
Published:2024-05-14
Updated:2024-05-14

Description

Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.



HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-732 Incorrect Permission Assignment for Critical Resource

CWE-782 Exposed IOCTL with Insufficient Access Control

Product status

Default status
unaffected

Any version before 4.5.0.0
affected

Credits

Takahiro Haruyama of Broadcom finder

References

https://www.phoenix.com/security-notifications/cve-2023-35841/

https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html

https://jvn.jp/en/vu/JVNVU93886750/index.html

cve.org CVE-2023-35841

nvd.nist.gov CVE-2023-35841

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