Description
Buffer overflow in a certain DCOM interface for RPC in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary code via a malformed message, as exploited by the Blaster/MSblast/LovSAN and Nachi/Welchia worms.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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MS03-026 Microsoft RPC DCOM Interface Overflow
exploit/windows/dcerpc/ms03_026_dcom
Exploit-DB 3
- Microsoft RPC DCOM Interface - Remote Overflow (MS03-026) (Metasploit) EDB-16749 · remote · Jan 11, 2011 · verified
- Microsoft Windows - 'RPC DCOM' Long Filename Overflow (MS03-026) EDB-100 · remote · Sep 16, 2003 · verified
- Microsoft Windows - DCOM RPC Interface Buffer Overrun EDB-22917 · remote · Aug 11, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- win-rpc-dcom-bo(12629) vdb-entry
- CA-2003-16 third-party-advisory
- oval:org.mitre.oval:def:296 vdb-entry signature
- 8205 vdb-entry
- 20030730 rpcdcom Universal offsets mailing-list
- 20030725 The Analysis of LSD's Buffer Overrun in Windows RPC Interface(code revised ) mailing-list
- 20030726 Re: The French BUGTRAQ (New Win RPC Exploit) mailing-list
- oval:org.mitre.oval:def:194 vdb-entry signature
- VU#568148 third-party-advisory
- 20030716 [LSD] Critical security vulnerability in Microsoft Operating Systems mailing-list
- MS03-026 vendor-advisory
- CA-2003-19 third-party-advisory
- http://www.xfocus.org/documents/200307/2.html
- oval:org.mitre.oval:def:2343 vdb-entry signature