CVE-2004-0363

Norton AntiSpam 2004 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2004-0363. PoCs published by Metasploit, MC, including Metasploit module exploits/windows/browser/nis2004_antispam.

AI-analyzed exploit summary This exploit targets a stack buffer overflow in Norton AntiSpam 2004 via the LaunchCustomRuleWizard() method in symspam.dll. It uses a heap spray technique to achieve remote code execution on vulnerable systems.

Description

Stack-based buffer overflow in the SymSpamHelper ActiveX component (symspam.dll) in Norton AntiSpam 2004, as used in Norton Internet Security 2004, allows remote attackers to execute arbitrary code via a long parameter to the LaunchCustomRuleWizard method.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16595

This exploit targets a stack buffer overflow in Norton AntiSpam 2004 via the LaunchCustomRuleWizard() method in symspam.dll. It uses a heap spray technique to achieve remote code execution on vulnerable systems.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Norton AntiSpam 2004 (symspam.dll 2004.1.0.147)
No auth needed
Prerequisites: Victim must visit a malicious webpage · ActiveX controls must be enabled in the browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by MC · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/nis2004_antispam.rb

This Metasploit module exploits a stack buffer overflow in Norton AntiSpam 2004 via the LaunchCustomRuleWizard() method of the SymSpamHelper ActiveX control. It uses heap spraying and a long string to trigger arbitrary code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Norton AntiSpam 2004 (symspam.dll 2004.1.0.147)
No auth needed
Prerequisites: Victim must visit a malicious webpage hosting the exploit · ActiveX controls must be enabled in the browser
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (8)

Core 8
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=107980262324362&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/11169
Patch, Vendor Advisory x_refsource_misc
http://www.nextgenss.com/advisories/antispam.txt
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/15536
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=107970870606638&w=2
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/344718
Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/9916

Scores

EPSS 0.7268
EPSS Percentile 98.8%

Details

Status published
Products (1)
symantec/norton_antispam 2004
Published Apr 15, 2004
Tracked Since Feb 18, 2026