Microsoft Office DLL Loading Error Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1027229 |
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SecurityTracker URL: http://securitytracker.com/id/1027229
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CVE Reference:
CVE-2012-1854
(Links to External Site)
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Updated: Nov 14 2012
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Original Entry 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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Version(s): 2003 SP3, 2007 SP2, 2007 SP3, 2010, 2010 SP1
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Description:
A vulnerability was reported in Microsoft Office. 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 fixes:
Microsoft Office 2003 Service Pack 3:
http://www.microsoft.com/downloads/details.aspx?familyid=d49c4893-d867-4d16-90f5-354eb4757d90
Microsoft Office 2007 Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?familyid=181bbd45-9128-4c26-af1e-fadfd83ff756
Microsoft Office 2007 Service Pack 3:
http://www.microsoft.com/downloads/details.aspx?familyid=181bbd45-9128-4c26-af1e-fadfd83ff756
Microsoft Office 2010 (32-bit editions):
http://www.microsoft.com/downloads/details.aspx?familyid=a7cc8fdc-1c64-434f-87a6-72ddcc356654
Microsoft Office 2010 Service Pack 1 (32-bit editions):
http://www.microsoft.com/downloads/details.aspx?familyid=a7cc8fdc-1c64-434f-87a6-72ddcc356654
Microsoft Office 2010 (64-bit editions):
http://www.microsoft.com/downloads/details.aspx?familyid=ab442918-8184-4c7c-84b0-5a3635fdb005
Microsoft Office 2010 Service Pack 1 (64-bit editions):
http://www.microsoft.com/downloads/details.aspx?familyid=ab442918-8184-4c7c-84b0-5a3635fdb005
A restart may be required.
[Editor's note: On November 13, 2012, Microsoft re-issued their Bulletin and replaced the fix for Office 2003 SP3 with a new fix, listed above. The new fix corrects a digital certificate flaw described in Microsoft Security Advisory 2749655.]
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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