BID:8459

Microsoft RPCSS DCOM Interface Long Filename Heap Corruption Vulnerability

Info

Microsoft RPCSS DCOM Interface Long Filename Heap Corruption Vulnerability

Bugtraq ID:	8459
Class:	Boundary Condition Error
CVE:	CVE-2003-0528
Remote:	Yes
Local:	No
Published:	Sep 10 2003 12:00AM
Updated:	Jul 11 2009 11:56PM
Credit:	Discovery of this issue is credited to eEye Digital Security, NSFOCUS Security Team, Xue Yong Zhi and Renaud Deraison.
Vulnerable:	Microsoft Windows XP Professional SP1 Microsoft Windows XP Professional Microsoft Windows XP Home SP1 Microsoft Windows XP Home Microsoft Windows XP 64-bit Edition Version 2003 Microsoft Windows XP 64-bit Edition SP1 Microsoft Windows XP 64-bit Edition Microsoft Windows Server 2003 Web Edition Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Enterprise Edition Itanium 0 Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Datacenter Edition Itanium 0 Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows NT Workstation 4.0 SP6a Microsoft Windows NT Workstation 4.0 SP6 Microsoft Windows NT Workstation 4.0 SP5 Microsoft Windows NT Workstation 4.0 SP4 Microsoft Windows NT Workstation 4.0 SP3 Microsoft Windows NT Workstation 4.0 SP2 Microsoft Windows NT Workstation 4.0 SP1 Microsoft Windows NT Workstation 4.0 Microsoft Windows NT Terminal Server 4.0 SP6 Microsoft Windows NT Terminal Server 4.0 SP5 Microsoft Windows NT Terminal Server 4.0 SP4 Microsoft Windows NT Terminal Server 4.0 SP3 Microsoft Windows NT Terminal Server 4.0 SP2 Microsoft Windows NT Terminal Server 4.0 SP1 Microsoft Windows NT Terminal Server 4.0 Microsoft Windows NT Server 4.0 SP6a + Avaya DefinityOne Media Servers + Avaya DefinityOne Media Servers + Avaya IP600 Media Servers + Avaya IP600 Media Servers + Avaya S3400 Message Application Server 0 + Avaya S8100 Media Servers 0 + Avaya S8100 Media Servers 0 Microsoft Windows NT Server 4.0 SP6 Microsoft Windows NT Server 4.0 SP5 Microsoft Windows NT Server 4.0 SP4 Microsoft Windows NT Server 4.0 SP3 Microsoft Windows NT Server 4.0 SP2 Microsoft Windows NT Server 4.0 SP1 Microsoft Windows NT Server 4.0 Microsoft Windows NT Enterprise Server 4.0 SP6a Microsoft Windows NT Enterprise Server 4.0 SP6 Microsoft Windows NT Enterprise Server 4.0 SP5 Microsoft Windows NT Enterprise Server 4.0 SP4 Microsoft Windows NT Enterprise Server 4.0 SP3 Microsoft Windows NT Enterprise Server 4.0 SP2 Microsoft Windows NT Enterprise Server 4.0 SP1 Microsoft Windows NT Enterprise Server 4.0 Microsoft Windows 2000 Server SP4 Microsoft Windows 2000 Server SP3 Microsoft Windows 2000 Server SP2 Microsoft Windows 2000 Server SP1 Microsoft Windows 2000 Server + Avaya DefinityOne Media Servers + Avaya IP600 Media Servers + Avaya S3400 Message Application Server 0 + Avaya S8100 Media Servers 0 Microsoft Windows 2000 Professional SP4 Microsoft Windows 2000 Professional SP3 Microsoft Windows 2000 Professional SP2 Microsoft Windows 2000 Professional SP1 Microsoft Windows 2000 Professional Microsoft Windows 2000 Datacenter Server SP4 Microsoft Windows 2000 Datacenter Server SP3 Microsoft Windows 2000 Datacenter Server SP2 Microsoft Windows 2000 Datacenter Server SP1 Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Advanced Server SP4 Microsoft Windows 2000 Advanced Server SP3 Microsoft Windows 2000 Advanced Server SP2 Microsoft Windows 2000 Advanced Server SP1 Microsoft Windows 2000 Advanced Server

Not Vulnerable:

Discussion

Microsoft RPCSS DCOM Interface Long Filename Heap Corruption Vulnerability

Microsoft has reported a remotely exploitable heap corruption vulnerability in RPC. This issue exists in the RPCSS Service and is related to code that handles RPC messages for DCOM activation, specifically in the filename parameter. This issue could be exploited by a remote attacker to execute arbitrary code with SYSTEM privileges.

Exploit / POC

Microsoft RPCSS DCOM Interface Long Filename Heap Corruption Vulnerability

An exploit, and a Linux port of the same exploit have been made available. A new exploit has also been released that contains universal offsets for Win2k and WinXP operating systems.

Several sources have stated that the MS-DCOM-Uni.c exploit affects patched Windows XP systems. This is covered further in BID 8811.

/data/vulnerabilities/exploits/MS03-039-exp.c
/data/vulnerabilities/exploits/MS03-039-linux.c
/data/vulnerabilities/exploits/MS-DCOM-Uni.c
/data/vulnerabilities/exploits/MS-DCOM-Uni.asm

Solution / Fix

Microsoft RPCSS DCOM Interface Long Filename Heap Corruption Vulnerability

Solution:
Microsoft has released updates to address this issue.

Microsoft Windows 2000 Server SP2