Microsoft .NET XML External Entity Processing Flaw Lets Remote Users Obtain Potentially Sensitive Information
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SecurityTracker Alert ID: 1036291 |
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SecurityTracker URL: http://securitytracker.com/id/1036291
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CVE Reference:
CVE-2016-3255
(Links to External Site)
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Date: Jul 12 2016
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Impact:
Disclosure of system information, Disclosure of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1
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Description:
A vulnerability was reported in Microsoft .NET. A remote user can conduct XML external entity attacks to obtain files on the target system.
A remote user can supply specially crafted XML External Entity (XXE) data to the target interface that, when processed by the target interface, will read arbitrary files on the target system with the privileges of the target service.
Michael Weber and Henrique Arcoverde of NCC Group reported this vulnerability.
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Impact:
A remote user can read arbitrary files on the target system.
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Solution:
The vendor has issued a fix.
The Microsoft advisory is available at:
https://technet.microsoft.com/library/security/ms16-091
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Vendor URL: technet.microsoft.com/library/security/ms16-091 (Links to External Site)
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Cause:
Access control error, Input validation error
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Underlying OS: Windows (2008), Windows (2012), Windows (7), Windows (8), Windows (10), Windows (Vista)
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Underlying OS Comments: Vista SP2, 2008 SP2, 7 SP1, 2008 R2 SP1, 8, 8.1, 2012, 2012 R2, RT 8.1, 10, 10 Version 1511
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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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