CVE-2006-0381

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Summary

CVECVE-2006-0381
StatePUBLISHED
Assignerfreebsd
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-01-25 22:03:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionA logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS: 0.051470000 probability, percentile 0.898940000 (date 2026-04-16)

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 5.3 All All All
Operating System Freebsd Freebsd 5.3 release All All
Operating System Freebsd Freebsd 5.3 releng All All
Operating System Freebsd Freebsd 5.3 stable All All
Operating System Freebsd Freebsd 5.4 pre-release All All
Operating System Freebsd Freebsd 5.4 release All All
Operating System Freebsd Freebsd 5.4 releng All All
Operating System Freebsd Freebsd 6.0 release All All
Operating System Freebsd Freebsd 6.0 stable All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
OpenBSD PF IP Fragment Remote Denial Of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
www.osvdb.org/22732 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc af854a3a-2127-422b-91ae-364da2661108 ftp.netbsd.org
ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc af854a3a-2127-422b-91ae-364da2661108 ftp.freebsd.org Patch
SecurityTracker.com Archives - FreeBSD pf(4) Scrub Rule Error Lets Remote Users Deny Service af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
FreeBSD "pf" IP Fragment Denial of Service Vulnerability - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff af854a3a-2127-422b-91ae-364da2661108 www.openbsd.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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