CVE-2004-2652

Name: CVE-2004-2652
Creator: NVD / NIST
Published: 2004-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 11.19%

Last modified Jun 16, 2026

CVE-2004-2652 is a vulnerability of currently unknown severity. The DecodeTCPOptions function in decode.c in Snort before 2.3.0, when printing TCP/IP options using FAST output or verbose mode, allows remote attackers to cause a denial of service (crash) via packets with invalid TCP/IP options, which trigger a null dereference.. EPSS estimates a 11.19% chance of exploitation in the next 30 days.

Description

The DecodeTCPOptions function in decode.c in Snort before 2.3.0, when printing TCP/IP options using FAST output or verbose mode, allows remote attackers to cause a denial of service (crash) via packets with invalid TCP/IP options, which trigger a null dereference.

Metrics

EPSS Probability

11.19%

95.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Sourcefire	Snort	2.1.0
Sourcefire	Snort	2.1.1_rc1
Sourcefire	Snort	2.1.3
Sourcefire	Snort	2.2

References

http://secunia.com/advisories/13664Patch, Vendor Advisory
http://securitytracker.com/id?1012656Exploit, Patch
http://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.htmlExploit, Vendor Advisory
http://www.frsirt.com/exploits/20041222.angelDust.c.php
http://www.osvdb.org/12578Exploit
http://www.securiteam.com/exploits/6X00L20C0S.htmlExploit
http://www.securityfocus.com/bid/12084Exploit
http://www.snort.org/arc_news/
https://exchange.xforce.ibmcloud.com/vulnerabilities/18689
http://secunia.com/advisories/13664Patch, Vendor Advisory
http://securitytracker.com/id?1012656Exploit, Patch
http://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.htmlExploit, Vendor Advisory
http://www.frsirt.com/exploits/20041222.angelDust.c.php
http://www.osvdb.org/12578Exploit
http://www.securiteam.com/exploits/6X00L20C0S.htmlExploit
http://www.securityfocus.com/bid/12084Exploit
http://www.snort.org/arc_news/
https://exchange.xforce.ibmcloud.com/vulnerabilities/18689

Timeline

Published: Dec 31, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-2652?

How severe is CVE-2004-2652?

Severity scoring for CVE-2004-2652 is pending analysis. The EPSS model estimates a 11.19% probability of exploitation in the next 30 days.

How do I fix CVE-2004-2652?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2652?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST