CVE-2003-0209

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2003-05-05 · updated 2026-06-16

Description

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.

Affected products

Smoothwall: 2.0_beta_4
Sourcefire Snort: 1.8, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5 (+4)

References

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

Get alerted when CVE-2003-0209 or the next vulnerability affects your stack