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zdiAnonymousZDI-23-1404
HistorySep 12, 2023 - 12:00 a.m.

Microsoft Windows CLFS Out-Of-Bounds Read Information Disclosure Vulnerability

2023-09-1200:00:00
Anonymous
www.zerodayinitiative.com
9
vulnerability
local attacker
sensitive information
microsoft windows
low-privileged code
clfs driver
validation
user-supplied data
allocated buffer
kernel context

0.0005 Low

EPSS

Percentile

18.3%

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CLFS driver. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to disclose information in the context of the kernel.