FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

BID:11789

Info

FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

Bugtraq ID: 11789
Class: Design Error
CVE: CVE-2004-1066
Remote: No
Local: Yes
Published: Dec 02 2004 12:00AM
Updated: Jul 12 2009 08:07AM
Credit: The individual or individuals responsible for disclosure of these issues are currently unknown; these issues were disclosed in the referenced vendor advisory.
Vulnerable: FreeBSD FreeBSD 5.3 -STABLE
FreeBSD FreeBSD 5.3 -RELEASE
FreeBSD FreeBSD 5.3
FreeBSD FreeBSD 5.2.1 -RELEASE
FreeBSD FreeBSD 5.2 -RELENG
FreeBSD FreeBSD 5.2
FreeBSD FreeBSD 5.1
FreeBSD FreeBSD 5.0
FreeBSD FreeBSD 4.10 -RELENG
FreeBSD FreeBSD 4.10 -RELEASE
FreeBSD FreeBSD 4.10
FreeBSD FreeBSD 4.9
FreeBSD FreeBSD 4.8 -RELENG
FreeBSD FreeBSD 4.8
FreeBSD FreeBSD 4.7
FreeBSD FreeBSD 4.6
FreeBSD FreeBSD 4.5
FreeBSD FreeBSD 4.4
FreeBSD FreeBSD 4.3
FreeBSD FreeBSD 4.2
FreeBSD FreeBSD 4.1.1
FreeBSD FreeBSD 4.1
FreeBSD FreeBSD 4.0
Not Vulnerable:

Discussion

FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

A local denial of service and information disclosure vulnerability affects the procfs and linprocfs implementation on FreeBSD. This issue is due to a design error that causes the mismanagement of memory references.

An attacker may leverage this issue to cause a kernel panic on an affected computer, denying service to legitimate users. It is also possible to leverage this issue to disclose kernel memory, potentially facilitating access to sensitive information in kernel buffers.

Exploit / POC

FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

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

Solution / Fix

FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

Solution:
The vendor has released upgrades and patches dealing with this issue.


FreeBSD FreeBSD 4.10 -RELENG

FreeBSD FreeBSD 4.10

FreeBSD FreeBSD 4.8 -RELENG

FreeBSD FreeBSD 4.8

FreeBSD FreeBSD 5.2

FreeBSD FreeBSD 5.2 -RELENG

FreeBSD FreeBSD 5.3

References

FreeBSD Linux ProcFS Local Kernel Denial Of Service And Information Disclosure Vulnerability

References:

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