Improper input validation in Microsoft Windows Xp

CVE-2014-4971

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.230 (97.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2014-4971?
CVE-2014-4971 is a vulnerability in Microsoft Windows Xp, classified under Improper Input Validation. Published 2014-07-26.
Is CVE-2014-4971 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.