CVE-2002-0381

FreeBSD < 4.5 - Unauthenticated Filter Bypass via Broadcast Address Spoofing

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Vendor Advisory vendor-advisory x_refsource_sgi
ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://online.securityfocus.com/archive/1/262733
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/4309
Third Party Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/8485.php
Patch, Vendor Advisory x_refsource_misc
http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/5308

Scores

EPSS 0.0078
EPSS Percentile 74.0%

Details

Status published
Products (3)
freebsd/freebsd < 4.5
netbsd/netbsd 2.0.4
openbsd/openbsd
Published Jun 25, 2002
Tracked Since Feb 18, 2026