SB2019081408 - Remote code execution when processing LNK files in Microsoft Windows



SB2019081408 - Remote code execution when processing LNK files in Microsoft Windows

Published: August 14, 2019

Security Bulletin ID SB2019081408
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2019-1188)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input when processing .LNK files. A remote attacker can trick the victim to open a drive or remote share with malicious Windows shortcut file (.LNK) with Windows Explorer and execute arbitrary code on the system with privileges of the current user.


Remediation

Install update from vendor's website.