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zdiEduardo Braun PradoZDI-18-614
HistoryJul 13, 2018 - 12:00 a.m.

Microsoft Windows WordPad Privilege Chaining Remote Code Execution Vulnerability

2018-07-1300:00:00
Eduardo Braun Prado
www.zerodayinitiative.com
11

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

68.2%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. 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 due to the fact that various operations can be triggered by a document in Microsoft WordPad. Considered individually, these operations do not pose a risk. However, they can be used in combination to produce an unsafe result. An attacker can leverage this vulnerability to execute code under the context of the current user at medium integrity.

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

68.2%