Schneider Electric Wonderware Historian DLL Loading Error Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1033179 |
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SecurityTracker URL: http://securitytracker.com/id/1033179
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CVE Reference:
CVE-2015-3940
(Links to External Site)
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Date: Aug 4 2015
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Impact:
Execution of arbitrary code via local system, Root access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2014, 2014 R2
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Description:
A vulnerability was reported in Schneider Electric Wonderware Historian. A local user can obtain elevated privileges on the target system.
A local user can create a specially crafted DLL file in a directory on the target system. When the target application is executed, the application will load the specially crafted DLL instead of the intended DLL and execute arbitrary code. The code will run with the privileges of the target user.
This type of exploit is also known as "binary planting" or "DLL preloading".
Ivan Sanchez and the team from Wise Security reported this vulnerability via ICS-CERT.
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Impact:
A local user can obtain System privileges on the target system.
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Solution:
The vendor has issued a fix [in June 2015].
For Wonderware System Platform 2014 R2: WSP2014R2P01
For Wonderware System Platform 2014 and prior: Upgrade to WSP2014 R2 and apply WSP2014R2P01
The vendor's advisory is available at:
http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000106/
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Vendor URL: software.schneider-electric.com/pdf/security-bulletin/lfsec00000106/ (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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