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FreeBSD ipfw IP Fragment Denial of Service Vulnerability
Secunia Advisory: SA18378
Release Date: 2006-01-11
Popularity: 7,604 views

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

OS:FreeBSD 6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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