OpenAFS Fileserver Denial of Service Vulnerability

BID:27132

Info

OpenAFS Fileserver Denial of Service Vulnerability

Bugtraq ID: 27132
Class: Race Condition Error
CVE: CVE-2007-6599
Remote: Yes
Local: No
Published: Dec 20 2007 12:00AM
Updated: Sep 29 2008 10:38PM
Credit: The vendor credits Russ Allbery, Jeffrey Altman, Dan Hyde, and Thomas Mueller with the discovery of this issue.
Vulnerable: SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.1
OpenAFS OpenAFS 1.5.27
OpenAFS OpenAFS 1.5.19
OpenAFS OpenAFS 1.5.18
OpenAFS OpenAFS 1.5.17
OpenAFS OpenAFS 1.5.16
OpenAFS OpenAFS 1.5.15
OpenAFS OpenAFS 1.5.14
OpenAFS OpenAFS 1.5.13
OpenAFS OpenAFS 1.5.12
OpenAFS OpenAFS 1.5.11
OpenAFS OpenAFS 1.5.10
OpenAFS OpenAFS 1.5.9
OpenAFS OpenAFS 1.5.8
OpenAFS OpenAFS 1.5.7
OpenAFS OpenAFS 1.5.6
OpenAFS OpenAFS 1.5.5
OpenAFS OpenAFS 1.5.4
OpenAFS OpenAFS 1.5.3
OpenAFS OpenAFS 1.5.2
OpenAFS OpenAFS 1.5.1
OpenAFS OpenAFS 1.5
OpenAFS OpenAFS 1.4.5
OpenAFS OpenAFS 1.4.4
OpenAFS OpenAFS 1.4.3
OpenAFS OpenAFS 1.4.2
OpenAFS OpenAFS 1.4.1
OpenAFS OpenAFS 1.4
OpenAFS OpenAFS 1.3.81
OpenAFS OpenAFS 1.3.64
OpenAFS OpenAFS 1.3.50
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
Mandriva Linux Mandrake 2007.1 x86_64
Mandriva Linux Mandrake 2007.1
Gentoo Linux
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Not Vulnerable: OpenAFS OpenAFS 1.5.28
OpenAFS OpenAFS 1.4.6

Discussion

OpenAFS Fileserver Denial of Service Vulnerability

OpenAFS fileserver is prone to a denial-of-service vulnerability caused by a race-condition error.

Successfully exploiting this issue allows attackers to crash the affected fileserver, denying service to legitimate users.

The issue affects these versions:

OpenAFS 1.3.50 to 1.4.5
OpenAFS 1.5.0 to 1.5.27

Exploit / POC

OpenAFS Fileserver Denial of Service Vulnerability

Attackers use readily available utilities to exploit this issue.

Solution / Fix

OpenAFS Fileserver Denial of Service Vulnerability

Solution:
The vendor has released fixes to address this issue. Please see the references for more information.


Mandriva Linux Mandrake 2008.0 x86_64

Mandriva Linux Mandrake 2008.0

Mandriva Linux Mandrake 2007.1

Mandriva Linux Mandrake 2007.1 x86_64

References

OpenAFS Fileserver Denial of Service Vulnerability

References:

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