FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

BID:36263

Info

FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

Bugtraq ID: 36263
Class: Input Validation Error
CVE: CVE-2009-3111
Remote: Yes
Local: No
Published: Sep 03 2009 12:00AM
Updated: Jan 11 2010 05:41PM
Credit: Intevydis
Vulnerable: Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
SuSE SUSE Linux Enterprise Server 9
SuSE SUSE Linux Enterprise Server 10 SP2
SuSE Linux 9
SuSE Linux 11
SuSE Linux 10.0
S.u.S.E. openSUSE 10.3
S.u.S.E. openSUSE 10.3
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux 5 Server
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
FreeRADIUS FreeRADIUS 1.1.7
Apple Mac OS X Server 10.5.8
Apple Mac OS X Server 10.5.7
Apple Mac OS X Server 10.5.6
Apple Mac OS X Server 10.5.5
Apple Mac OS X Server 10.5.4
Apple Mac OS X Server 10.5.3
Apple Mac OS X Server 10.5.2
Apple Mac OS X Server 10.5.1
Apple Mac OS X Server 10.4.11
Apple Mac OS X Server 10.4.11
Apple Mac OS X Server 10.4.10
Apple Mac OS X Server 10.4.9
Apple Mac OS X Server 10.4.8
Apple Mac OS X Server 10.4.7
Apple Mac OS X Server 10.4.6
Apple Mac OS X Server 10.4.5
Apple Mac OS X Server 10.4.4
Apple Mac OS X Server 10.4.3
Apple Mac OS X Server 10.4.2
Apple Mac OS X Server 10.4.1
Apple Mac OS X Server 10.4
Apple Mac OS X Server 10.3.9
Apple Mac OS X Server 10.3.8
Apple Mac OS X Server 10.3.7
Apple Mac OS X Server 10.3.6
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.3.3
Apple Mac OS X Server 10.3.2
Apple Mac OS X Server 10.3.1
Apple Mac OS X Server 10.3
Apple Mac OS X Server 10.5
Apple Mac OS X 10.5.8
Apple Mac OS X 10.5.7
Apple Mac OS X 10.5.6
Apple Mac OS X 10.5.5
Apple Mac OS X 10.5.4
Apple Mac OS X 10.5.3
Apple Mac OS X 10.5.2
Apple Mac OS X 10.5.1
Apple Mac OS X 10.4.11
Apple Mac OS X 10.4.11
Apple Mac OS X 10.4.10
Apple Mac OS X 10.4.9
Apple Mac OS X 10.4.8
Apple Mac OS X 10.4.7
Apple Mac OS X 10.4.6
Apple Mac OS X 10.4.5
Apple Mac OS X 10.4.4
Apple Mac OS X 10.4.3
Apple Mac OS X 10.4.2
Apple Mac OS X 10.4.1
Apple Mac OS X 10.4
Apple Mac OS X 10.3.9
Apple Mac OS X 10.3.8
Apple Mac OS X 10.3.7
Apple Mac OS X 10.3.6
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.3.3
Apple Mac OS X 10.3.2
Apple Mac OS X 10.3.1
Apple Mac OS X 10.3
Apple Mac OS X 10.5
Not Vulnerable: FreeRADIUS FreeRADIUS 1.1.8
Apple Mac OS X Server 10.6.2
Apple Mac OS X 10.6.2

Discussion

FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

FreeRADIUS is prone to a denial-of-service vulnerability.

An attacker can exploit this issue to crash the effected application, denying service to legitimate users.

Versions prior to FreeRADIUS 1.1.8 are vulnerable.

Exploit / POC

FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

A working commercial exploit is available through Intevydis. This exploit is not otherwise publicly available or known to be circulating in the wild.

The following exploit is available:

Solution / Fix

FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Mandriva Linux Mandrake 2008.0 x86_64

Ubuntu Ubuntu Linux 8.04 LTS amd64

Mandriva Linux Mandrake 2008.0

Ubuntu Ubuntu Linux 8.04 LTS lpia

MandrakeSoft Corporate Server 4.0

Ubuntu Ubuntu Linux 8.04 LTS i386

Apple Mac OS X Server 10.5.8

Apple Mac OS X 10.5.8

MandrakeSoft Corporate Server 4.0 x86_64

References

FreeRADIUS Zero-length Tunnel-Password Attributes Denial of Service Vulnerability

References:

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