RPC DCOM interface buffer overflow

win-rpc-dcom-bo (12629) The risk level is classified as HighHigh Risk

Description:

Microsoft is vulnerable to a buffer overflow in the Distributed Component Object Model (DCOM) interface of the RPC (Remote Procedure Call) service. By sending a malformed message to the RPC service, a remote attacker can overflow a buffer and execute arbitrary code on the system with Local System privileges.

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.8
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

For vulnerability detection:

Enable the following checks in the ISS Protection Platform:
WinRpcDCOMBo
win-rpc-dcom-bo
WinMs03039Patch
win-ms03039-patch

For Virtual Patch:

Enable the following checks in the ISS Protection Platform:
MSRPC_RemoteActivate_Bo

Block or restrict the following in the ISS Protection Platform as appropriate to the environment: Port 135

For Manual Protection:

For Microsoft Windows 2000:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS06-018. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS03-026, but it was superseded by the patch released with MS03-039, MS04-012, and MS05-012 and then superseded by the patch in MS06-018.

For Windows XP, and Windows Server 2003:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-051. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS03-026, but it was superseded by the patch released with MS03-039 ,MS04-012, and MS05-012, and then superseded by the patch in MS05-051.

For Microsoft Windows NT 4.0:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS04-029. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS3-026, but it was superseded by the patch released with MS03-039 and MS04-012, and then superseded with the patch released with MS04-029.

For HP OpenVMS V7.3, V7.3-1, and V7.3-2:
Apply the appropriate patch for this vulnerability, as listed in Hewlett-Packard Security Bulletin HPSBOV01056. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • HP OpenVMS Alpha 7.3
  • HP OpenVMS Alpha 7.3-1
  • HP OpenVMS Alpha 7.3-2
  • Microsoft Windows 2000
  • Microsoft Windows 2003 Server R2 Enterprise
  • Microsoft Windows 2003 Server
  • Microsoft Windows NT 4.0 Terminal Server
  • Microsoft Windows NT 4.0
  • Microsoft Windows XP
  • Microsoft Windows XP x64

Reported:

Jul 16, 2003

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.