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Vulnerability Details : CVE-2017-8464

Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows local users or remote attackers to execute arbitrary code via a crafted .LNK file, which is not properly handled during icon display in Windows Explorer or any other application that parses the icon of the shortcut. aka "LNK Remote Code Execution Vulnerability."
Publish Date : 2017-06-14 Last Update Date : 2017-08-11
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 284

- Products Affected By CVE-2017-8464

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 10 1511 Version Details Vulnerabilities
2 OS Microsoft Windows 10 1607 Version Details Vulnerabilities
3 OS Microsoft Windows 10 1703 Version Details Vulnerabilities
4 OS Microsoft Windows 7 - SP1 Version Details Vulnerabilities
5 OS Microsoft Windows 8 Version Details Vulnerabilities
6 OS Microsoft Windows 8.1 Version Details Vulnerabilities
7 OS Microsoft Windows 8.1 RT Version Details Vulnerabilities
8 OS Microsoft Windows Server 2008 SP2 Version Details Vulnerabilities
9 OS Microsoft Windows Server 2008 R2 SP1 Version Details Vulnerabilities
10 OS Microsoft Windows Server 2012 - Version Details Vulnerabilities
11 OS Microsoft Windows Server 2012 R2 Version Details Vulnerabilities
12 OS Microsoft Windows Server 2016 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 10 3
Microsoft Windows 7 1
Microsoft Windows 8 1
Microsoft Windows 8.1 2
Microsoft Windows Server 2008 2
Microsoft Windows Server 2012 2
Microsoft Windows Server 2016 1

- References For CVE-2017-8464

https://www.exploit-db.com/exploits/42429/
EXPLOIT-DB 42429
https://www.exploit-db.com/exploits/42382/
EXPLOIT-DB 42382
http://www.securityfocus.com/bid/98818
BID 98818 Microsoft Windows LNK CVE-2017-8464 Remote Code Execution Vulnerability Release Date:2017-08-04
http://www.securitytracker.com/id/1038671
SECTRACK 1038671
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8464 CONFIRM

- Metasploit Modules Related To CVE-2017-8464

LNK Code Execution Vulnerability
This module exploits a vulnerability in the handling of Windows Shortcut files (.LNK) that contain a dynamic icon, loaded from a malicious DLL. This vulnerability is a variant of MS15-020 (CVE-2015-0096). The created LNK file is similar except an additional SpecialFolderDataBlock is included. The folder ID set in this SpecialFolderDataBlock is set to the Control Panel. This is enough to bypass the CPL whitelist. This bypass can be used to trick Windows into loading an arbitrary DLL file. If no PATH is specified, the module will use drive letters D through Z so the files may be placed in the root path of a drive such as a shared VM folder or USB drive.
Module type : exploit Rank : excellent Platforms : Windows


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