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zdiGarage4HackersZDI-15-520
HistoryOct 13, 2015 - 12:00 a.m.

Microsoft Internet Explorer CWindow Use-After-Free Remote Code Execution Vulnerability

2015-10-1300:00:00
Garage4Hackers
www.zerodayinitiative.com
8

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.478 Medium

EPSS

Percentile

97.5%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The vulnerability relates to how Internet Explorer handles CWindow objects. By manipulating a document’s elements an attacker can force a CWindow object in memory to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.478 Medium

EPSS

Percentile

97.5%