Microsoft Step-by-Step Interactive Training contains a buffer overflow

Overview

Microsoft Step-by-Step Interactive Training contains a buffer overflow vulnerability. If successfully exploited, this vulnerability may allow an attacker to execute arbitrary code.

Description

Microsoft Step-by-Step Interactive Training is a training program developed by MIcrosoft. It is preinstalled by some computer manufactuers and is included in many Microsoft Press books. Microsoft Knowledge Base article 898458 contains a partial list of software and publications that include the Step-by-Step Interactive training.

The Step-by-Step Interactive Training contains a buffer overflow. To trigger the vulnerability, an attacker would need to convince a user to open a specially crafted bookmark link file. The bookmark file name extension can be .CBL, .CBM, or .CBO.

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Impact

By convincing a user to open a specially crafted bookmark link file, a remote unauthenticated attacker may be able to execute arbitrary code with the privileges of the user who is running the Step-by-Step Interactive Training program.

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Solution

Update
Microsoft has released an update to address this issue. See Microsoft Security Bulletin MS07-005 for more details.

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Do not run Windows with administrator privileges

Running Windows using an unprivileged regular user account may mitigate the affects of this vulnerability. See the Microsoft Technet article Applying the Principle of Least Privilege to User Accounts on Windows XP for more information.

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Vendor Information

466873

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Updated: February 14, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

See <http://www.microsoft.com/technet/security/Bulletin/ms07-005.mspx&gt; for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23466873 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/Bulletin/ms07-005.mspx&gt;
• <http://support.microsoft.com/kb/898458&gt;
• <http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/luawinxp.mspx&gt;
• <http://secunia.com/advisories/24121/&gt;
• <http://securitytracker.com/alerts/2007/Feb/1017632.html&gt;
• <http://www.securityfocus.com/bid/22484&gt;

Acknowledgements

Thanks to Microsoft for information used in this report. Microsoft in turn thanks Brett Moore of Security-Assessment.com.

This document was written by Ryan Giobbi.

Other Information

CVE IDs:	CVE-2006-3448
Severity Metric:	5.13 Date Public: