Arbitrary Memory Write Vulnerability in Windows XP SP3 IOCTL Handlers

CVE-2014-4971 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.

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