Vulnerability Report

CVE-2003-0209

Title: Snort TCP stream reassembly integer overflow heap-based buffer overflow

Memory Corruption

Proof Of Concept

PoC Available for CVE-2003-0209

CWE Category NVD-CWE-noinfo
Published Date May 05, 2003
Modified Date Jun 16, 2026
Exploit Status Available
Score 10.0 CVSS v2.0
Exploit Probability (EPSS)
38.62%

Vulnerability Summary

CVE-2003-0209: Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.

Impacted Vendors

M
martin_roesch 1
S
smoothwall 1
S
sourcefire 1
C
cisco 1

Reference Links

http://marc.info/?l=bugtraq&m=105043563016235&w=2 http://marc.info/?l=bugtraq&m=105103586927007&w=2 http://marc.info/?l=bugtraq&m=105111217731583&w=2 http://marc.info/?l=bugtraq&m=105154530427824&w=2 http://marc.info/?l=bugtraq&m=105172790914107&w=2 http://www.cert.org/advisories/CA-2003-13.html http://www.coresecurity.com/common/showdoc.php?idx=313&idxseccion=10 http://www.debian.org/security/2003/dsa-297 http://www.kb.cert.org/vuls/id/139129 http://www.mandriva.com/security/advisories?name=MDKSA-2003:052 http://www.securityfocus.com/bid/7178 http://marc.info/?l=bugtraq&m=105043563016235&w=2 http://marc.info/?l=bugtraq&m=105103586927007&w=2 http://marc.info/?l=bugtraq&m=105111217731583&w=2 http://marc.info/?l=bugtraq&m=105154530427824&w=2 http://marc.info/?l=bugtraq&m=105172790914107&w=2 http://www.cert.org/advisories/CA-2003-13.html http://www.coresecurity.com/common/showdoc.php?idx=313&idxseccion=10 http://www.debian.org/security/2003/dsa-297 http://www.kb.cert.org/vuls/id/139129 http://www.mandriva.com/security/advisories?name=MDKSA-2003:052 http://www.securityfocus.com/bid/7178
CVSS v2.0
Source Entity [email protected]
Severity HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2003-0209 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/18
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.