Microsoft OWC Chart component could allow an attacker to verify a file`s existence using the "Load" method
| owc-chart-load-exist (8784) |  Low Risk |
Description:
Microsoft Office Web Components (OWC) could allow a remote attacker to determine if a file resides on the system by setting the "oCS.Load" property to the path of the file. If an error is returned, then file does not reside on the system.
Consequences:
Obtain Information
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS02-044. See References.
References:
- GreyMagic Security Advisory GM#008-IE: Multiple local files detection issues with OWC in IE.
- Internet Security Systems Security Alert, August 22, 2002: Multiple Vulnerabilities in Microsoft Office Web Components.
- Microsoft Office Download Center: Office XP Tool: Web Components.
- Microsoft Security Bulletin MS02-044: Unsafe Functions in Office Web Components (Q328130).
- BID-4454: Microsoft Office Web Components Chart Local File Existence Disclosure Vulnerability
- CVE-2002-1338: The Load method in the Chart component of Office Web Components (OWC) 9 and 10 generates an exception when a specified file does not exist, which allows remote attackers to determine the existence of local files.
- US-CERT VU#156123: Microsoft Office Web Components allows arbitary user to determine whether local file exists via Chart component Load method
Platforms Affected:
- Microsoft BackOffice 2000
- Microsoft BizTalk Server 2000
- Microsoft BizTalk Server 2002
- Microsoft Commerce Server 2000
- Microsoft Commerce Server 2002
- Microsoft ISA Server 2000
- Microsoft Money 2002
- Microsoft Money 2003
- Microsoft Office 2000
- Microsoft Office XP
- Microsoft Office Web Components 2000
- Microsoft Office Web Components 2002
- Microsoft Project 2002
- Microsoft Proxy Server 2.0
- Microsoft Small Business Server 2000
Reported:
Apr 08, 2002
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