Microsoft OWC Spreadsheet component "LoadText" method could be used to read arbitrary files through Internet Explorer
| owc-spreadsheet-loadtext-read-files (8778) |  Medium Risk |
Description:
Microsoft Office Web Components (OWC) could allow a remote attacker to read files on a victim's computer. A remote attacker could create a Web page containing malicious JavaScript that uses the "LoadText" method to retrieve the contents of a referenced file on a victim's system and load the file's contents into the spreadsheet, if the Web page is visited using Microsoft Internet Explorer.
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, Project Server 2002
- Microsoft, Small Business Server 2000
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS02-044. See References.
Consequences:
Obtain Information
References:
- CIAC Information Bulletin M-117, Microsoft Office Web Components Vulnerabilities at http://www.ciac.org/ciac/bulletins/m-117.shtml.
- GreyMagic Security Advisory GM#006-IE, Reading local files with OWC in IE at http://sec.greymagic.com/adv/gm006-ie/.
- Internet Security Systems Security Alert, August 22, 2002, Multiple Vulnerabilities in Microsoft Office Web Components at http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21023.
- Microsoft Office Download Center, Office XP Tool: Web Components at http://office.microsoft.com/downloads/2002/owc10.aspx.
- Microsoft Security Bulletin MS02-044, Unsafe Functions in Office Web Components (Q328130) at http://www.microsoft.com/technet/security/bulletin/ms02-044.mspx.
- BID-4453: Microsoft Office Web Components Local File Read Vulnerability
- CVE-2002-0860: The LoadText method in the spreadsheet component in Microsoft Office Web Components (OWC) 2000 and 2002 allows remote attackers to read arbitrary files through Internet Explorer via a URL that redirects to the target file.
- OSVDB ID: 3007: Microsoft IE OWC LoadText Read Arbitrary File
- US-CERT VU#355707: Microsoft Office Web Components allows reading of local files via LoadText method by using URL redirection
Reported:
Apr 08, 2002
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