Microsoft Visual Basic for Applications DLL Loading Error Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1027228 |
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SecurityTracker URL: http://securitytracker.com/id/1027228
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CVE Reference:
CVE-2012-1854
(Links to External Site)
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Date: Jul 10 2012
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Microsoft Visual Basic for Applications. A remote user can cause arbitrary code to be executed on the target user's system.
A remote user can create a specially crafted DLL file on a remote share (e.g., WebDAV, SMB share). When the target user opens a Microsoft Office-related file (e.g., .docx file) on that remote share, the application may load the remote user's DLL instead of the intended DLL and execute arbitrary code. The code will run with the privileges of the target user.
Bai Haowen of Huawei Security Labs reported this vulnerability.
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Impact:
A remote user can may be able to cause a target application to execute arbitrary code on the target user's system.
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Solution:
The vendor has issued the following fix:
http://www.microsoft.com/downloads/details.aspx?familyid=ea7c5762-586f-4e38-ad63-43eb05e79f4d
A restart may be required.
The Microsoft advisory is available at:
http://technet.microsoft.com/en-us/security/bulletin/ms12-046
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Vendor URL: technet.microsoft.com/en-us/security/bulletin/ms12-046 (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Windows (Any)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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