CVE-2004-0633

Ethereal 0.10.3-0.10.4 - Denial of Service via iSNS Dissector Integer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-0633. PoCs published by Rémi Denis-Courmont.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in Ethereal's iSNS protocol dissector by sending a malformed packet with a zero-length payload. The code crafts a UDP packet targeting port 3205, which triggers a crash in vulnerable versions of Ethereal (0.10.4).

Description

The iSNS dissector for Ethereal 0.10.3 through 0.10.4 allows remote attackers to cause a denial of service (process abort) via an integer overflow.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Rémi Denis-Courmont · cremotelinux
https://www.exploit-db.com/exploits/24259

This PoC exploits a denial-of-service vulnerability in Ethereal's iSNS protocol dissector by sending a malformed packet with a zero-length payload. The code crafts a UDP packet targeting port 3205, which triggers a crash in vulnerable versions of Ethereal (0.10.4).

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Ethereal v0.10.4
No auth needed
Prerequisites: Network access to the target system · Target running Ethereal v0.10.4 with iSNS dissector enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (13)

Core 13
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1010655
Vendor Advisory vendor-advisory x_refsource_conectiva
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000916
Patch, Vendor Advisory vendor-advisory x_refsource_mandrake
http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:067
URL Repurposed x_refsource_confirm
http://www.ethereal.com/appnotes/enpa-sa-00015.html
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/829422
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/12024
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/16630
Patch, Vendor Advisory vendor-advisory x_refsource_fedora
http://www.redhat.com/archives/fedora-announce-list/2004-July/msg00013.html
Patch, Vendor Advisory vendor-advisory x_refsource_fedora
http://www.redhat.com/archives/fedora-announce-list/2004-July/msg00014.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2004-378.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9931
Patch, Vendor Advisory vendor-advisory x_refsource_gentoo
http://www.gentoo.org/security/en/glsa/glsa-200407-08.xml

Scores

EPSS 0.1796
EPSS Percentile 96.8%

Details

Status published
Products (8)
ethereal_group/ethereal 0.10.3
ethereal_group/ethereal 0.10.4
gentoo/linux
mandrakesoft/mandrake_linux 9.2
mandrakesoft/mandrake_linux 10.0
redhat/enterprise_linux 2.1 (3 CPE variants)
redhat/enterprise_linux 3.0 (3 CPE variants)
redhat/linux_advanced_workstation 2.1
Published Dec 06, 2004
Tracked Since Feb 18, 2026