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AUSCERT External Security Bulletin Redistribution
ESB-2015.1854
Microsoft Security Bulletin MS15-067: Vulnerability in RDP
Could Allow Remote Code Execution (3073094)
15 July 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-2373
Original Bulletin:
https://technet.microsoft.com/en-us/library/security/MS15-067
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Microsoft Security Bulletin MS15-067: Vulnerability in RDP Could Allow Remote
Code Execution (3073094)
Bulletin Number: MS15-067
Bulletin Title: Vulnerability in RDP Could Allow Remote Code Execution
Severity: Critical
KB Article: 3073094
Version: 1.0
Published Date: July 14, 2015
Executive Summary
This security update resolves a vulnerability in Microsoft Windows. The
vulnerability could allow remote code execution if an attacker sends a
specially crafted sequence of packets to a targeted system with theRemote
Desktop Protocol (RDP) server service enabled. By default, the RDP server
service is not enabled on any Windows operating system. Systems that do not
have the RDP server service enabled are not at risk.
This security update is rated Critical for Windows 7 for 32-bit Systems and
Windows 8 for 32-bit Systems. For more information, see the Affected Software
section.
Affected Software
Windows 7 for 32-bit Systems Service Pack 1
Windows 8 for 32-bit Systems
Vulnerability Information
Remote Desktop Protocol (RDP) Remote Code Execution Vulnerability -
CVE-2015-2373
A remote code execution vulnerability exists in how the Remote Desktop
Protocol (RDP) (terminal) service handles packets. While the most likely
outcome of this vulnerability is denial of the remote desktop (terminal)
service (DOS), remote code execution is possible.
To exploit the vulnerability, an attacker could send a specially crafted
sequence of packets to a system running the RDP server service. An attacker
who successfully exploited this vulnerability could take complete control of
an affected system. An attacker could then install programs; view, change, or
delete data; or create new accounts with full user rights. The update
addresses the vulnerability by modifying how the terminal service handles
packets.
Microsoft received information about this vulnerability through coordinated
vulnerability disclosure. When this security bulletin was issued, Microsoft
had not received any information to indicate that this vulnerability had been
publicly used to attack customers.
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