CVE-2008-1804
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet...
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
Exploit likelihood
What each source reports
NVD Score used
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
- Record
CVE-2008-1804- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
- Record
CVE-2008-1804- Updated
- 2026-11-02
EUVDEUVD-2008-1804 No score
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
- Record
EUVD-2008-1804- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4jj5-f426-fhfh No score
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet...
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
- Record
GHSA-4jj5-f426-fhfh- Updated
- 2026-11-02
OSV No score
preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
- Record
CVE-2008-1804- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
snortDebian:5.0 |
before 2.7.0-19+lenny1 | 2.7.0-19+lenny1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-1804 is a medium vulnerability (CVSS 6.8) in Snort, published May 22, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.27%, the 83rd percentile. Fixed in snort 2.7.0-19+lenny1.
References
exchange.xforce.ibmcloud.com/vulnerabilities/42584
cvs.snort.org/viewcvs.cgi/snort/src/preprocessors/spp_frag3.c.diff?r1=text&tr1=1.46.2.4&r2=text&tr2=1.46.2.5&diff_format=h
redhat.com/archives/fedora-package-announce/2008-June/msg00156.html
securitytracker.com/id?1020081
vupen.com/english/advisories/2008/1602
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secunia.com/advisories/30348
ipcop.org/index.php?name=News&file=article&sid=40
securityfocus.com/bid/29327
labs.idefense.com/intelligence/vulnerabilities/display.php?id=701
nvd.nist.gov/vuln/detail/CVE-2008-1804
github.com/advisories/GHSA-4jj5-f426-fhfh
security-tracker.debian.org/tracker/CVE-2008-1804