CVE-2001-0402

Severity

75%

Complexity

99%

Confidentiality

106%

IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.

IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 23 years ago

2001-06-18 04:00:00

Last updated 7 years ago

2017-10-10 01:29:00

Affected Software

FreeBSD

OpenBSD 2.8

2.8

References

FreeBSD-SA-01:32

Patch, Vendor Advisory

20010408 A fragmentation attack against IP Filter

ipfilter-access-ports(6331)

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