CVE-2004-1866

Nstx ip_over_dns_utility 1.1 beta3 and earlier - Denial of Service via Large Packet

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-1866. PoCs published by laurent oudot.

AI-analyzed exploit summary This exploit demonstrates a remote denial of service vulnerability in NSTX by sending a UDP packet with an excessively long string of 'A' characters. The vulnerability arises from the application's failure to handle oversized network strings, leading to a crash.

Description

nstxd in Nstx 1.1 beta3 and earlier allows remote attackers to cause a denial of service (crash) via a large packet, which triggers a null dereference.

Exploits (1)

exploitdb WORKING POC VERIFIED
by laurent oudot · textdoslinux
https://www.exploit-db.com/exploits/23884

This exploit demonstrates a remote denial of service vulnerability in NSTX by sending a UDP packet with an excessively long string of 'A' characters. The vulnerability arises from the application's failure to handle oversized network strings, leading to a crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: NSTX (version not specified)
No auth needed
Prerequisites: Network access to the target system · UDP port accessibility
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=108034249916453&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/15638
Patch, Vendor Advisory vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1009567
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/9989

Scores

EPSS 0.0324
EPSS Percentile 87.0%

Details

Status published
Products (4)
nstx/ip_over_dns_utility 1.0
nstx/ip_over_dns_utility 1.1_beta1
nstx/ip_over_dns_utility 1.1_beta2
nstx/ip_over_dns_utility 1.1_beta3
Published Mar 26, 2004
Tracked Since Feb 18, 2026