----------------------------------------------------------------------

2003: 2,700 advisories published
2004: 3,100 advisories published
2005: 4,600 advisories published
2006: 5,300 advisories published

How do you know which Secunia advisories are important to you?

The Secunia Vulnerability Intelligence Solutions allows you to filter
and structure all the information you need, so you can address issues
effectively.

Get a free trial of the Secunia Vulnerability Intelligence Solutions:
http://corporate.secunia.com/how_to_buy/38/vi/?ref=secadv

----------------------------------------------------------------------

TITLE:
FreeBSD sys_dev_random Random Data Replay Vulnerability

SECUNIA ADVISORY ID:
SA27879

VERIFY ADVISORY:
http://secunia.com/advisories/27879/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From local network

OPERATING SYSTEM:
FreeBSD 6.x
http://secunia.com/product/6778/
FreeBSD 5.x
http://secunia.com/product/1132/
FreeBSD 4.x
http://secunia.com/product/139/

DESCRIPTION:
A vulnerability has been reported in FreeBSD, which can be exploited
by malicious people to disclose potentially sensitive information.

The vulnerability is caused due to an error within the sys_dev_random
module when supplying random data. This can be exploited to determine
fragments of random data previously generated and e.g. break a
cryptographic algorithm that uses the random or urandom device.

The vulnerability affects all supported versions of FreeBSD.

SOLUTION:
Update FreeBSD or apply patch.

Fixed versions:
2007-11-29 16:05:38 UTC (RELENG_7, 7.0-BETA4)
2007-11-29 16:06:12 UTC (RELENG_6, 6.3-PRERELEASE)
2007-11-29 16:06:54 UTC (RELENG_6_3, 6.3-RC2)
2007-11-29 16:07:30 UTC (RELENG_6_2, 6.2-RELEASE-p9)
2007-11-29 16:07:54 UTC (RELENG_6_1, 6.1-RELEASE-p21)
2007-11-29 16:08:54 UTC (RELENG_5, 5.5-STABLE)
2007-11-29 16:09:26 UTC (RELENG_5_5, 5.5-RELEASE-p17)

Patch for FreeBSD 5.5, 6.1, and 6.2:
http://security.FreeBSD.org/patches/SA-07:09/random.patch
http://security.FreeBSD.org/patches/SA-07:09/random.patch.asc

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Robert Woolley.

ORIGINAL ADVISORY:
http://security.FreeBSD.org/advisories/FreeBSD-SA-07:09.random.asc

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------