Microsoft .NET Bugs Let Remote Users Execute Arbitrary Code and Deny Service
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SecurityTracker Alert ID: 1027048 |
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SecurityTracker URL: http://securitytracker.com/id/1027048
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CVE Reference:
CVE-2012-0162, CVE-2012-0164
(Links to External Site)
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Date: May 8 2012
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Impact:
Denial of service via network, 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): 4
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Description:
Two vulnerabilities were reported in Microsoft .NET Framework. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can cause denial of service conditions.
A remote user can create a specially crafted file that, when loaded by the target user via an XAML browser application, will trigger a buffer allocation error and execute arbitrary code on the target system or bypass Code Access Security (CAS) restrictions [CVE-2012-0162]. The code will run with the privileges of the target user.
Vitaliy Toropov (via Tipping Point's Zero Day Initiative) reported this vulnerability.
A remote user can trigger an index comparison error and cause applications that use Windows Presentation Foundation (WPF) APIs to stop responding until manually restarted [CVE-2012-0164].
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Impact:
A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
A remote user can cause applications that use Windows Presentation Foundation (WPF) APIs to stop responding. A manual restart is required to return to normal operations.
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Solution:
The vendor has issued a fix.
A patch matrix is available in the vendor's advisory.
A restart is required.
The Microsoft advisory is available at:
http://technet.microsoft.com/en-us/security/bulletin/ms12-034
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Vendor URL: technet.microsoft.com/en-us/security/bulletin/ms12-034 (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Windows (2003), Windows (2008), Windows (7), Windows (Vista), Windows (XP)
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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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