CVE-2005-0688

Windows Server 2003 and XP SP2 - Denial of Service via Land Attack

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2005-0688. PoCs published by Yuri Gushin.

AI-analyzed exploit summary This exploit targets a Windows IP stack vulnerability (CVE-2005-0688) by crafting a malformed IP packet with an option size of 39, causing a denial-of-service (DoS) due to an off-by-one error. The PoC uses libnet to construct and send the packet.

Description

Windows Server 2003 and XP SP2, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, aka a reoccurrence of the "Land" vulnerability (CVE-1999-0016).

Exploits (2)

exploitdb WORKING POC VERIFIED
by Yuri Gushin · cdoswindows
https://www.exploit-db.com/exploits/942

This exploit targets a Windows IP stack vulnerability (CVE-2005-0688) by crafting a malformed IP packet with an option size of 39, causing a denial-of-service (DoS) due to an off-by-one error. The PoC uses libnet to construct and send the packet.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows IP stack (pre-2005 patches)
No auth needed
Prerequisites: libnet library · raw socket permissions
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC
cdoswindows
https://www.exploit-db.com/exploits/861

This is a functional remote DoS exploit for CVE-2005-0688 targeting Windows Server 2003 and XP SP2. It crafts a malformed TCP SYN packet with specific flags to trigger a denial-of-service condition.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Windows Server 2003, Windows XP SP2
No auth needed
Prerequisites: Raw socket permissions · Network access to target
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1288
Third Party Advisory, VDB Entry vendor-advisory x_refsource_hp
http://www.securityfocus.com/archive/1/449179/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1685
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A482
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22341
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/3983
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=111005099504081&w=2
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4978

Scores

EPSS 0.4744
EPSS Percentile 98.7%

Details

Status published
Products (2)
microsoft/windows_2003_server r2
microsoft/windows_xp
Published Mar 05, 2005
Tracked Since Feb 18, 2026