FreeBSD ipfw IP Fragment Denial of Service Vulnerability - Advisories

Software Inspectors

	Scan Online

	Personal (PSI)

	Network (NSI 2.0)

Solutions For

	Security Professionals

	Security Vendors

Free Solutions For

	Open Communities

	Journalists & Media

Secunia Advisories

	Search

	Historic Advisories

	Listed By Product

	Listed By Vendor

	Statistics / Graphs

	Secunia Research

	Report Vulnerability

	About Advisories

Virus Information

	Chronological List

	Last 10 Virus Alerts

	About Virus Information

Secunia Customers

	Customer Area

FreeBSD ipfw IP Fragment Denial of Service Vulnerability

Secunia Advisory:	SA18378
Release Date:	2006-01-11

Critical:	Moderately critical
Impact:	DoS
Where:	From remote
Solution Status:	Vendor Patch

OS:	FreeBSD 6.x


CVE reference:	CVE-2006-0054 (Secunia mirror)

	Want to know the next time vulnerabilities are fixed in this product? - Companies can be alerted via email and SMS!

Description: A vulnerability has been reported in FreeBSD, which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error in the "ipfw" module when handling IP fragments. This can be exploited to crash the firewall by sending ICMP IP fragments to the firewall that match any of the "reset", "reject" or "unreach" actions. The vulnerability has been reported in FreeBSD 6.0-RELEASE. Solution: Update FreeBSD or apply patch. Fixed versions: 2006-01-11 08:02:16 UTC (RELENG_6, 6.0-STABLE) 2006-01-11 08:03:18 UTC (RELENG_6_0, 6.0-RELEASE-p2) Patch for FreeBSD 6.0: ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-06:04/ipfw.patch ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-06:04/ipfw.patch.asc Provided and/or discovered by: Reported by vendor. Original Advisory: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:04.ipfw.asc



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

43 Related Secunia Security Advisories, displaying 10

1. FreeBSD update for bind

2. FreeBSD update for OpenSSH

3. FreeBSD "strfmon()" Multiple Integer Overflows

4. FreeBSD ppp Buffer Overflow Vulnerability

5. FreeBSD "sendfile" Information Disclosure Security Issue

6. FreeBSD pty Snooping Vulnerabilities

7. FreeBSD "inet_network()" Off-By-One Vulnerability

8. FreeBSD sys_dev_random Random Data Replay Vulnerability

9. FreeBSD update for openssl

10. FreeBSD update for tcpdump

Show all related advisories

Send Feedback to Secunia

If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com. Ideas, suggestions, and other feedback are most welcome.

Secunia PSI
Scan | Patch | Track
Free Download

Secunia Poll

Most Popular Advisories

1.	Microsoft Access Snapshot Viewer ActiveX Control Vulnerability

2.	Microsoft Office Filters Multiple Vulnerabilities

3.	Opera Multiple Vulnerabilities

4.	vBulletin Private Message Subject Script Insertion

5.	Anzio Web Print Object (WePO) ActiveX Component "mainurl" Buffer Overflow

6.	rPath update for kernel and xen

7.	neon "parse_domain() " Denial of Service Vulnerability

8.	Folder Lock Weak Password Encryption Security Issue

9.	Programs Rating "id" SQL Injection Vulnerability

10.	SunShop Shopping Cart class.ajax.php SQL Injection Vulnerabilities