News

E-Mail-Borne Virus Danger Detected, Fixed

Microsoft has released a patch that eliminates a vulnerability that could allow a malicious user to embed an unsafe executable application within an e-mail message and disguise it as a safe type of attachment. The unsafe executable could then be made to execute if the user opened the attachment.

A particular ActiveX control allows cabinet files to be launched and executed. This could allow an HTML e-mail message to contain a malicious cabinet file, disguised as a file of an innocuous type -- such as .jpg, .gif, or .txt. If a user attempted to open this file, the operation would fail, but could leave a copy of the file in a known location. The ActiveX control could then be used via a script embedded in the mail to launch the copy, thereby executing the malicious code.

The affected AcitveX control ships as part of Microsoft Internet Explorer 4 and 5. The patch is available at http://windowsupdate.microsoft.com.

About the Author

Scott Bekker is editor in chief of Redmond Channel Partner magazine.

Featured

  • Microsoft Clarifies Project Cortex's Scope, IT Controls and Product Delivery in Q&A

    Microsoft recently offered a Q&A session on Project Cortex, its emerging "knowledge network" solution for Microsoft 365 users.

  • How To Use .CSV Files with PowerShell, Part 2

    In the second part of this series, Brien shows how to import a .CSV file into a PowerShell array, including two methods for zooming in on just the specific data you need and filtering out the rest.

  • Windows 10 Preview Adds Ability To Display Linux Distro Files

    Microsoft on Wednesday announced Windows 10 preview build 19603, which adds easier access to installed Linux distro files using Windows File Explorer.

  • Microsoft 365 Business To Get Azure Active Directory Premium P1 Perks

    Subscribers to Microsoft 365 Business (which is being renamed this month to "Microsoft 365 Business Premium") will be getting Azure Active Directory Premium P1 licensing at no additional cost.

comments powered by Disqus

Office 365 Watch

Sign up for our newsletter.

Terms and Privacy Policy consent

I agree to this site's Privacy Policy.