Windows Essentials vulnerability could allow information disclosure
Report ID: MS201305009
Date Published: 15 May 2013
Compromise Type: information-disclosure
Compromise From: remote
Windows Essentials 2011
Windows Essentials 2012
A vulnerability in Windows Essentials could allow an attacker to override proxy settings and overwrite files.
Microsoft has released a security update to address an information disclosure vulnerability in Windows Essentials. The vulnerability, which was caused by improper handling of URL parameters, could allow an attacker to override Windows Writer proxy settings and overwrite files accessible to the user on a target system.
The vulnerability has been patched through the latest security update by correcting the way that Windows Writer handles URL parameters. Users are recommended to install the update to protect their system from possible exploit attempts.
Install the latest security patch for applicable system, available for download from (https://technet.microsoft.com/en-us/security/bulletin/ms13-045)
F-Secure Health Check
F-Secure's free tool, the Health Check, detects if your system is missing the patch for the vulnerability covered in this report.