CVE-2002-0381
First published: Tue Jun 25 2002(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NetBSD current | =2.0.4 | |
| FreeBSD Kernel | <=4.5 | |
| OpenBSD |
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Reference Links
- http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137
- http://online.securityfocus.com/archive/1/262733
- http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022
- http://www.iss.net/security_center/static/8485.php
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110
- http://www.osvdb.org/5308
- http://www.securityfocus.com/bid/4309
Frequently Asked Questions
What is the severity of CVE-2002-0381?
CVE-2002-0381 has a moderate severity rating due to its potential for exploitation through network traffic.
How do I fix CVE-2002-0381?
To fix CVE-2002-0381, ensure that your BSD operating system is updated to a version that addresses this vulnerability.
Which BSD operating systems are affected by CVE-2002-0381?
CVE-2002-0381 affects various BSD operating systems, including specific versions of NetBSD, FreeBSD, and OpenBSD.
What type of attacks can CVE-2002-0381 facilitate?
CVE-2002-0381 can facilitate network attacks that bypass intended packet filters by using broadcast addresses.
What happens if CVE-2002-0381 is exploited?
If exploited, CVE-2002-0381 allows remote attackers to send packets that could bypass security protocols designed to block broadcast connections.
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