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An exposed IOCTL with an  insufficient access control vulnerability has been identified in the utility, MxGeneralIo, for Moxa’s industrial x86 computers. The affected utility, MxGeneralIo, exposes IOCTL methods that permit direct read and write access to MSR and system memory. A local attacker with high privileges could abuse these interfaces to perform unauthorized operations. Successful exploitation may result in privilege escalation on Windows 7 systems or cause a system crash (BSoD) on Windows 10 and 11 systems, leading to a denial-of-service condition. The vulnerability could slightly affect the confidentiality and integrity of the device, but availability might be heavily impacted. No impact to the subsequent system has been identified.

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无充分访问控制条件下暴露IOCTL

Moxa MxGeneralIo 安全漏洞

Moxa MxGeneralIo是中国台湾Moxa公司的一个工业输入输出控制库。 Moxa MxGeneralIo存在安全漏洞，该漏洞源于访问控制不足，可能导致权限提升或系统崩溃。

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