FreeBSD Insecure Random Number Generator Information Disclosure Weakness

BID:26642

Info

FreeBSD Insecure Random Number Generator Information Disclosure Weakness

Bugtraq ID: 26642
Class: Design Error
CVE: CVE-2007-6150
Remote: No
Local: Yes
Published: Nov 29 2007 12:00AM
Updated: Nov 30 2007 03:03PM
Credit: Robert Woolley is credited with the discovery of this vulnerability.
Vulnerable: FreeBSD FreeBSD 6.0 .x
FreeBSD FreeBSD 6.0 -STABLE
FreeBSD FreeBSD 6.0 -RELEASE
FreeBSD FreeBSD 5.5 -STABLE
FreeBSD FreeBSD 5.5 -RELEASE
FreeBSD FreeBSD 7.0 BETA4
FreeBSD FreeBSD 6.3
FreeBSD FreeBSD 6.2 -STABLE
FreeBSD FreeBSD 6.2
FreeBSD FreeBSD 6.1 -STABLE
FreeBSD FreeBSD 6.1 -RELEASE-p10
FreeBSD FreeBSD 6.1 -RELEASE
FreeBSD FreeBSD 6.0 -RELEASE-p5
Not Vulnerable:

Discussion

FreeBSD Insecure Random Number Generator Information Disclosure Weakness

FreeBSD is prone to an information-disclosure weakness that stems from a flaw in the 'random(4)' and 'urandom(4)' pseudo-random number generators.

An attacker can exploit this issue to access fragments of previously read random values. Information obtained may aid in further attacks.

Exploit / POC

FreeBSD Insecure Random Number Generator Information Disclosure Weakness

Currently we are not aware of any working exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

FreeBSD Insecure Random Number Generator Information Disclosure Weakness

Solution:
The vendor released an advisory along with fixes to address this issue. Please see the references for more information.


FreeBSD FreeBSD 6.1 -STABLE

FreeBSD FreeBSD 6.1 -RELEASE

FreeBSD FreeBSD 6.2 -STABLE

FreeBSD FreeBSD 6.2

FreeBSD FreeBSD 6.1 -RELEASE-p10

FreeBSD FreeBSD 5.5 -STABLE

FreeBSD FreeBSD 5.5 -RELEASE

References

FreeBSD Insecure Random Number Generator Information Disclosure Weakness

References:

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