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zdiWanderingGlitch of the Zero Day InitiativeZDI-16-413
HistoryJul 12, 2016 - 12:00 a.m.

Microsoft Chakra ArrayBuffer.transfer Uninitialized Buffer Information Leak Vulnerability

2016-07-1200:00:00
WanderingGlitch of the Zero Day Initiative
www.zerodayinitiative.com
27

0.296 Low

EPSS

Percentile

96.9%

This vulnerability allows remote attackers to leak sensitive information on vulnerable installations of Microsoft Chakra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of ArrayBuffer.transfer. The issue lies in the failure to properly initialize a buffer prior to returning it to the user. An attacker can leverage this vulnerability to leak sensitive information within the context of the current process.