CVE-2004-2652 EXPLOIT
7.8
HIGH · CVSS 2.0 · EPSS 11.2% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.8 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| EPSS | 11.19% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2004-12-31 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| sourcefire | snort |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Snort 2.1/2.2 - DecodeTCPOptions Remote Denial of Service (1) | 2004-12-22 |
| exploit-db | Snort 2.1/2.2 - DecodeTCPOptions Remote Denial of Service (2) | 2004-12-22 |
References
- http://secunia.com/advisories/13664
- http://securitytracker.com/id?1012656
- http://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.html
- http://www.frsirt.com/exploits/20041222.angelDust.c.php
- http://www.osvdb.org/12578
- http://www.securiteam.com/exploits/6X00L20C0S.html
- http://www.securityfocus.com/bid/12084
- http://www.snort.org/arc_news/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18689
- http://secunia.com/advisories/13664
- http://securitytracker.com/id?1012656
- http://taosecurity.blogspot.com/2004/12/details-on-snort-dos-condition-you-may.html
- http://www.frsirt.com/exploits/20041222.angelDust.c.php
- http://www.osvdb.org/12578
- http://www.securiteam.com/exploits/6X00L20C0S.html
- http://www.securityfocus.com/bid/12084
- http://www.snort.org/arc_news/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18689
→ the Explorer · watch your stack · NVD