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MitreCVE-2002-0381

HistoryApr 02, 2003 - 5:00 a.m.

CVE-2002-0381

2003-04-0205:00:00

mitre

web.nvd.nist.gov

bsd

tcp

broadcast addresses

security flaw

attackers

ip broadcast

nvd

cve-2002-0381

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.1

Confidence

Low

EPSS

0.002

Percentile

53.0%

JSON

The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.

Affected configurations

Nvd

Node

freebsdfreebsdRange≤4.5

netbsdnetbsdMatch2.0.4

openbsdopenbsd

VendorProductVersionCPE
freebsdfreebsd*cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
netbsdnetbsd2.0.4cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*
openbsdopenbsd*cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
freebsd	freebsd	*	cpe:2.3:o:freebsd:freebsd::::::::
netbsd	netbsd	2.0.4	cpe:2.3:o:netbsd:netbsd:2.0.4:::::::*
openbsd	openbsd	*	cpe:2.3:o:openbsd:openbsd::::::::

References

ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I

cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137

online.securityfocus.com/archive/1/262733

www.FreeBSD.org/cgi/query-pr.cgi?pr=35022

www.iss.net/security_center/static/8485.php

www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110

www.osvdb.org/5308

www.securityfocus.com/bid/4309

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.1

Confidence

Low

EPSS

0.002

Percentile

53.0%

JSON

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