CVE-2002-0381
5 Medium
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
7.1 High
AI Score
Confidence
Low
0.002 Low
EPSS
Percentile
53.0%
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
| CPE | Name | Operator | Version |
|---|---|---|---|
| freebsd:freebsd | freebsd | le | 4.5 |
| netbsd:netbsd | netbsd | eq | 2.0.4 |
| openbsd:openbsd | openbsd | eq | * |
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
5 Medium
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
7.1 High
AI Score
Confidence
Low
0.002 Low
EPSS
Percentile
53.0%