FIX: Security Issue Allows Access to Files on User's Computer
This article was previously published under Q277014 SYMPTOMS
The Microsoft virtual machine (Microsoft VM) includes a security vulnerability that could enable a malicious Web site operator to access the files on a user's computer and, if the user is part of an intranet, to read Web content within that intranet.
This affects the following builds of the Microsoft VM:
CAUSE
The Microsoft VM allows archive files (CAB or JAR files) that are used in a Java-based <OBJECT> tag and referenced by the CABBASE, CABINETS, or ARCHIVE parameters to come from locations other than the codebase.
RESOLUTION
To resolve this problem, install build 3319 or later of the Microsoft VM. For more information, visit the following Microsoft Web site: http://www.microsoft.com/mscorp/java/ (http://www.microsoft.com/mscorp/java/) WARNING: After you install the updated Microsoft VM, you cannot uninstall it.
STATUSMicrosoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This bug was corrected in the Microsoft VM build 3319. REFERENCES
For more information, please see Microsoft Security Bulletin MS00-081 at the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/MS00-081.mspx (http://www.microsoft.com/technet/security/bulletin/MS00-081.mspx)
For additional security-related information about Microsoft products, please refer to the following Microsoft Web site:
http://www.microsoft.com/technet/security/ (http://www.microsoft.com/technet/security/)
For support information about Visual J++ and the SDK for Java, visit the following Microsoft Web site:
http://www.microsoft.com/java (http://www.microsoft.com/java)
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