CVE-2004-2652 describes a denial-of-service vulnerability in Snort versions prior to 2.3.0. Specifically, the DecodeTCPOptions function in decode.c can be crashed by remote attackers sending malformed TCP/IP options when Snort is configured for FAST output or verbose mode, leading to a null dereference. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact (complete denial of service) with low attack complexity and no authentication required. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.1.0CPE matchmatch criteria | cpe:2.3:a:sourcefire:snort:2.1.0:*:*:*:*:*:*:* | ||
2.1.1_rc1CPE matchmatch criteria | cpe:2.3:a:sourcefire:snort:2.1.1_rc1:*:*:*:*:*:*:* | ||
2.1.3CPE matchmatch criteria | cpe:2.3:a:sourcefire:snort:2.1.3:*:*:*:*:*:*:* | ||
2.2CPE matchmatch criteria | cpe:2.3:a:sourcefire:snort:2.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.