Advisory Details

April 12th, 2016

Microsoft .NET Framework mscoreei DLL Planting Remote Code Execution Vulnerability

ZDI-16-234
ZDI-CAN-3578

CVE ID CVE-2016-0148
CVSS SCORE 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS .NET Framework
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft .NET Framework. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page or open a malicious directory or device.

The specific flaw exists within the handling of a specific named DLL used by .NET Framework. By providing a directory with this specific DLL, an attacker is able to force the process to load an arbitrary DLL. This allows an attacker to execute arbitrary code in the context of the process.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://technet.microsoft.com/library/security/MS16-041
DISCLOSURE TIMELINE
  • 2016-03-29 - Vulnerability reported to vendor
  • 2016-04-12 - Coordinated public release of advisory
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