WelcomeEnterpriseSmall BusinessHome & Home OfficePartnersAbout Symantec

Microsoft DirectX DirectPlay Remote Malformed Packet Denial Of Service Vulnerability

Risk
Medium

Date Discovered
06-08-2004

Description
Microsoft DirectX DirectPlay is affected by a remote denial of service vulnerability. This issue is due to a failure of the affected library to properly handle malformed network data.

An attacker can exploit this vulnerability to cause an application using the affected DirectPlay library to crash, denying service to legitimate users.

Symantec Vulnerability Assessment
Symantec Vulnerability Assessment detects and reports this vulnerability. Click here for the advisory released June 8, 2004.

Symantec Enterprise Security Manager
Symantec Enterprise Security Manager™ posted an update to the OS Patch Policy that detects and reports systems that are not patched against this vulnerability. Click here for the advisory released June 10, 2004.

Symantec Clientless VPN Gateway, Symantec Firewall/VPN 100/200 Series, Symantec Gateway Security 300 Series
These Symantec products are not affected by this threat. To minimize this threat to protected servers, Administrators are urged to verify that their security policies do not allow inbound traffic to UDP ports 2300-2400 and TCP ports 2300-2400.

Symantec Gateway Security 5400 Series and Symantec Gateway Security v1.0
Antivirus component: An update for the Symantec Gateway Security antivirus engine to protect against the vulnerability in the IDirectPlay4 API for Microsoft DirectPlay is not required nor currently planned.
IDS/IPS component: An update for the Symantec Gateway Security IDS/IPS engine to protect against the vulnerability in the IDirectPlay4 API for Microsoft DirectPlay is not required nor currently planned.
Full application inspection firewall component: By default, Symantec's full application inspection firewall technology protects against Microsoft’s vulnerability in DirectPlay. Administrators are urged to verify that their security policies do not allow inbound traffic to UDP ports 2300-2400 and TCP ports 2300-2400.

Symantec Enterprise Firewall 7.0.x and Symantec Enterprise Firewall 8.0
By default, Symantec's full application inspection firewall technology protects against Microsoft’s vulnerability in DirectPlay. Administrators are urged to verify that their security policies do not allow inbound traffic to UDP ports 2300-2400 and TCP ports 2300-2400.

Platforms Affected
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP3
Microsoft Windows 2000 Advanced Server SP4
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Datacenter Server SP1
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Datacenter Server SP3
Microsoft Windows 2000 Datacenter Server SP4
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Professional SP4
Microsoft Windows 2000 Server
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Server SP4
Microsoft Windows 2000 Terminal Services SP2
Microsoft Windows ME
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Datacenter Edition 64-bit
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Enterprise Edition 64-bit
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP 64-bit Edition
Microsoft Windows XP 64-bit Edition SP1
Microsoft Windows XP Home
Microsoft Windows XP Home SP1
Microsoft Windows XP Media Center Edition
Microsoft Windows XP Professional
Microsoft Windows XP Professional SP1

Components Affected
Microsoft DirectX 7.0 a
Microsoft DirectX 7.0
Microsoft DirectX 7.1
Microsoft DirectX 8.0 a
Microsoft DirectX 8.0
Microsoft DirectX 8.1 b
Microsoft DirectX 8.1 a
Microsoft DirectX 8.1
Microsoft DirectX 9.0 b
Microsoft DirectX 9.0 a
Microsoft Windows 2000 Datacenter Server SP4
Microsoft Windows 2000 Datacenter Server SP3
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Professional SP4
Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Server SP4
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Terminal Services SP4
Microsoft Windows 2000 Terminal Services SP3
Microsoft Windows 2000 Terminal Services SP2
Microsoft Windows 98
Microsoft Windows 98SE
Microsoft Windows ME
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Datacenter Edition 64-bit
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Enterprise Edition 64-bit
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP 64-bit Edition SP1
Microsoft Windows XP 64-bit Edition
Microsoft Windows XP 64-bit Edition Version 2003 SP1
Microsoft Windows XP 64-bit Edition Version 2003
Microsoft Windows XP Home SP1
Microsoft Windows XP Home
Microsoft Windows XP Professional SP1
Microsoft Windows XP Professional

Recommendations
Block external access at the network boundary, unless service is required by external parties.
If the affected application is not required to be globally accessible it is recommended that access to vulnerable computers be restricted to trusted hosts and networks.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Network intrusion detection systems should be deployed to monitor network traffic for signs of anomalous or suspicious activity. This may indicate exploitation attempts or activity that results from successful exploitation.

Microsoft has released Microsoft Security Bulletin MS04-016 to address these issues. Please see the referenced bulletin for more information.


Microsoft DirectX 7.0 a:
Microsoft DirectX 7.0:

Microsoft Patch Security Update for DirectX 7.0 (KB839643)
http://download.microsoft.com/download/7/c/2/7c25145d-5c6d-4408-b2c2-56bbab0d8335/Windows2000-KB839643-x86-ENU.EXE

Microsoft DirectX 7.1:
Microsoft DirectX 8.0 a:
Microsoft DirectX 8.0:
Microsoft DirectX 8.1 b:
Microsoft DirectX 8.1 a:
Microsoft DirectX 8.1:
Microsoft DirectX 9.0 b:
Microsoft DirectX 9.0 a:
Microsoft Windows 2000 Datacenter Server SP4:
Microsoft Windows 2000 Datacenter Server SP3:
Microsoft Windows 2000 Datacenter Server SP2:
Microsoft Windows 2000 Professional SP4:
Microsoft Windows 2000 Professional SP3:
Microsoft Windows 2000 Professional SP2:
Microsoft Windows 2000 Server SP4:
Microsoft Windows 2000 Server SP3:
Microsoft Windows 2000 Server SP2:
Microsoft Windows 2000 Terminal Services SP4:
Microsoft Windows 2000 Terminal Services SP3:
Microsoft Windows 2000 Terminal Services SP2:
Microsoft Windows 98 :
Microsoft Windows 98SE :
Microsoft Windows ME :
Microsoft Windows Server 2003 Datacenter Edition :
Microsoft Patch Security Update for Windows Server 2003 (KB839643)
http://download.microsoft.com/download/3/a/9/3a996897-848d-479d-933f-f7f13776db02/WindowsServer2003-KB839643-x86-ENU.EXE

Microsoft Windows Server 2003 Datacenter Edition 64-bit :
Microsoft Patch Security Update for Windows Server 2003 64 Bit Ed. and Windows XP 64 Bit Ed. V.2003 (KB839643)
http://download.microsoft.com/download/e/b/3/eb34a668-6145-4842-8873-5b4f33ecc929/WindowsServer2003-KB839643-IA64-ENU.EXE

Microsoft Windows Server 2003 Enterprise Edition :
Microsoft Patch Security Update for Windows Server 2003 (KB839643)
http://download.microsoft.com/download/3/a/9/3a996897-848d-479d-933f-f7f13776db02/WindowsServer2003-KB839643-x86-ENU.EXE

Microsoft Windows Server 2003 Enterprise Edition 64-bit :
Microsoft Patch Security Update for Windows Server 2003 64 Bit Ed. and Windows XP 64 Bit Ed. V.2003 (KB839643)
http://download.microsoft.com/download/e/b/3/eb34a668-6145-4842-8873-5b4f33ecc929/WindowsServer2003-KB839643-IA64-ENU.EXE

Microsoft Windows Server 2003 Standard Edition :
Microsoft Patch Security Update for Windows Server 2003 (KB839643)
http://download.microsoft.com/download/3/a/9/3a996897-848d-479d-933f-f7f13776db02/WindowsServer2003-KB839643-x86-ENU.EXE

Microsoft Windows Server 2003 Web Edition :
Microsoft Patch Security Update for Windows Server 2003 (KB839643)
http://download.microsoft.com/download/3/a/9/3a996897-848d-479d-933f-f7f13776db02/WindowsServer2003-KB839643-x86-ENU.EXE

Microsoft Windows XP 64-bit Edition SP1:
Microsoft Patch Security Update for Windows XP 64-bit Edition (KB839643)
http://download.microsoft.com/download/9/e/9/9e91475c-102d-4291-bc68-51d3edb654e7/WindowsXP-KB839643-ia64-ENU.EXE

Microsoft Windows XP 64-bit Edition :
Microsoft Patch Security Update for Windows XP 64-bit Edition (KB839643)
http://download.microsoft.com/download/9/e/9/9e91475c-102d-4291-bc68-51d3edb654e7/WindowsXP-KB839643-ia64-ENU.EXE

Microsoft Windows XP 64-bit Edition Version 2003 SP1:
Microsoft Patch Security Update for Windows Server 2003 64 Bit Ed. and Windows XP 64 Bit Ed. V.2003 (KB839643)
http://download.microsoft.com/download/e/b/3/eb34a668-6145-4842-8873-5b4f33ecc929/WindowsServer2003-KB839643-IA64-ENU.EXE

Microsoft Windows XP 64-bit Edition Version 2003 :
Microsoft Patch Security Update for Windows Server 2003 64 Bit Ed. and Windows XP 64 Bit Ed. V.2003 (KB839643)
http://download.microsoft.com/download/e/b/3/eb34a668-6145-4842-8873-5b4f33ecc929/WindowsServer2003-KB839643-IA64-ENU.EXE

Microsoft Windows XP Home SP1:
Microsoft Patch Security Update for Windows XP (KB839643)
http://download.microsoft.com/download/1/e/5/1e5d946b-3ee9-4c6a-b364-0eb45aef8146/WindowsXP-KB839643-x86-ENU.EXE

Microsoft Windows XP Home :
Microsoft Patch Security Update for Windows XP (KB839643)
http://download.microsoft.com/download/1/e/5/1e5d946b-3ee9-4c6a-b364-0eb45aef8146/WindowsXP-KB839643-x86-ENU.EXE

Microsoft Windows XP Professional SP1:
Microsoft Patch Security Update for Windows XP (KB839643)
http://download.microsoft.com/download/1/e/5/1e5d946b-3ee9-4c6a-b364-0eb45aef8146/WindowsXP-KB839643-x86-ENU.EXE

Microsoft Windows XP Professional :
Microsoft Patch Security Update for Windows XP (KB839643)
http://download.microsoft.com/download/1/e/5/1e5d946b-3ee9-4c6a-b364-0eb45aef8146/WindowsXP-KB839643-x86-ENU.EXE

Credits
This issue was discovered by John Lampe of Tenable Network Security.


Copyright (c) 2004 by Symantec Corp.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from symsecurity@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.

Symantec, Symantec products, Symantec Security Response, and SymSecurity are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.