CVE-2006-3441

Microsoft Windows <2000 SP4 XP SP1-SP2 Server 2003 SP1 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-3441. PoCs published by Winny Thomas.

AI-analyzed exploit summary This Python script acts as a malicious DNS server to exploit CVE-2006-3441, a vulnerability in Microsoft Windows DNS resolution that causes a denial-of-service (DoS) by crashing services.exe. It crafts a malformed DNS response with specific TXT records to trigger the crash.

Description

Buffer overflow in the DNS Client service in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers to execute arbitrary code via a crafted record response. NOTE: while MS06-041 implies that there is a single issue, there are multiple vectors, and likely multiple vulnerabilities, related to (1) a heap-based buffer overflow in a DNS server response to the client, (2) a DNS server response with malformed ATMA records, and (3) a length miscalculation in TXT, HINFO, X25, and ISDN records.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Winny Thomas · pythondoswindows
https://www.exploit-db.com/exploits/2900

This Python script acts as a malicious DNS server to exploit CVE-2006-3441, a vulnerability in Microsoft Windows DNS resolution that causes a denial-of-service (DoS) by crashing services.exe. It crafts a malformed DNS response with specific TXT records to trigger the crash.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (tested on Windows 2000 Server SP0 and SP1)
No auth needed
Prerequisites: Control over DNS resolution on the target system · Target system must query the malicious DNS server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1016653
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/28013
Various Sources third-party-advisory x_refsource_iss
http://xforce.iss.net/xforce/alerts/id/233
Various Sources third-party-advisory x_refsource_iss
http://xforce.iss.net/xforce/alerts/id/235
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/28240
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/3211
Patch, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/794580
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21394
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A723
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/27844
Patch, US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA06-220A.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/19404
Various Sources third-party-advisory x_refsource_iss
http://xforce.iss.net/xforce/alerts/id/234
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24586

Scores

EPSS 0.6005
EPSS Percentile 99.0%

Details

Status published
Products (4)
microsoft/windows_2000
microsoft/windows_2003_server 64-bit
microsoft/windows_2003_server sp1 (2 CPE variants)
microsoft/windows_xp (3 CPE variants)
Published Aug 09, 2006
Tracked Since Feb 18, 2026