HOMEVULNERABILITIESCVE-2004-2652
HIGHPOC

CVE-2004-2652

NVD-CWE-OtherPublished: December 31, 2004· Updated: Jun 16, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2004-2652 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2004-2652. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Vendors & Products

sourcefire1 product(s)
snort
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://secunia.com/advisories/13664
PATCHhttp://securitytracker.com/id?1012656
PATCHhttp://secunia.com/advisories/13664
PATCHhttp://securitytracker.com/id?1012656
ADVISORYhttp://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.html
ADVISORYhttp://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.html

All References (18)

→
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

Quick Facts

CVE IDCVE-2004-2652
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedDec 31, 2004

Related CVEs (NVD-CWE-Other)

CVE-2013-5601
10.0
CVE-2013-5600
10.0
CVE-2013-3350
10.0
CVE-2013-5597
10.0
CVE-2013-5599
10.0
CVE-2013-5603
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2004-2652 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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