CVE-2006-0381

Severity

50%

Complexity

99%

Confidentiality

48%

A 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.

A 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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 19 years ago

2006-01-25 22:03:00

Last updated 7 years ago

2017-07-20 01:29:00

Affected Software

FreeBSD 5.3

5.3

References

FreeBSD-SA-06:07

Patch

NetBSD-SA2006-004

18609

Patch, Vendor Advisory

1015542

http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104

22732

16375

bsd-pf-fragment-dos(24337)

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