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Note: Microsoft originally provided a patch for this vulnerability in MS03-026, but it was superseded by the patch released with MS03-039, MS04-012, and MS05-012 and then superseded by the patch in MS06-018.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Note: Microsoft originally provided a patch for this vulnerability in MS03-026, but it was superseded by the patch released with MS03-039 ,MS04-012, and MS05-012, and then superseded by the patch in MS05-051.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Note: Microsoft originally provided a patch for this vulnerability in MS3-026, but it was superseded by the patch released with MS03-039 and MS04-012, and then superseded with the patch released with MS04-029.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

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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.

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