#VU14379 Improper input validation in Windows and Windows Server


Published: 2018-08-14 | Updated: 2018-08-14

Vulnerability identifier: #VU14379

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8345

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to an error when processing .LNK files (windows shortcuts). A remote attacker can place a specially crafted .LNK file along with associated malicious binary and automatically execute it when the victim opens a removable drive or a remote share that contains .LNK file.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 8.1 - 8.1 RT, 7

Windows Server: 2008 - 2016 10.0.14393.10


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8345


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability