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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
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TITLE:
FreeBSD "fw_ioctl()" Integer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA22917

VERIFY ADVISORY:
http://secunia.com/advisories/22917/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
FreeBSD 5.x
http://secunia.com/product/1132/

DESCRIPTION:
Filipe Balestra and Rodrigo Rubira Branco have reported a
vulnerability in FreeBSD, which can be exploited by malicious, local
users to disclose potentially sensitive information.

The vulnerability is caused due to an integer overflow within the
"fw_ioctl()" function in dev/firewire/fwdev.c. This can be exploited
to read the system memory by passing special arguments to the
function.

The vulnerability is reported in FreeBSD version 5.5. Other versions
may also be affected.

SOLUTION:
Restrict access to trusted people only.

PROVIDED AND/OR DISCOVERED BY:
Filipe Balestra and Rodrigo Rubira Branco

ORIGINAL ADVISORY:
http://www.kernelhacking.com/bsdadv1.txt

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About:
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