Internet Explorer Web Browser Security Bug Fixed - SSO-AL2009-033

29 July 2009

Software and platforms affected

The following software is affected

Internet Explorer 5
Internet Explorer 6
Internet Explorer 7
Internet Explorer 8

for the following operating system platforms:

Windows (all versions)

What is the problem?

There is a bug in all versions of the Microsoft Internet Explorer web browser, which could result in your computer being attacked by criminals.

What we recommend you do

The problem can be easily fixed by downloading and installing the software updates recommended by Microsoft using Internet Explorer.

Setting up automatic updates on your computer's operating system will save you time and reduce the risk to you and your files.

Unless your operating system is already set to update itself automatically, it is recommended you apply the updates as soon as possible to reduce your risk.

Information on how to setup Automatic Updates can be found here:

For Windows XP:

http://www.ssoalertservice.net.au/view/8d826d7e1f09438435017ec08986beec
http://www.microsoft.com/protect/computer/updates/xpsp2.mspx

For Windows 2000:

http://support.microsoft.com/kb/327850

For Windows Vista:

http://www.microsoft.com/protect/computer/updates/vista.mspx

The Microsoft Update web site enables you to update your Microsoft operating system and all other Microsoft software, such as Microsoft Office, from one location.  When you visit Microsoft Update with Internet Explorer, the site scans your computer and gives you a list of updates relevant to your computer and its configuration. You then decide which updates you want to download and install.

http://update.microsoft.com/

Where you can find more information

The following links provide more information about the bug and the software platforms affected:

http://www.microsoft.com/technet/security/bulletin/ms09-034.mspx

Disclaimer

This Alert has been prepared by AusCERT for the Department of Broadband, Communications and the Digital Economy.

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