MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

BID:50929

Info

MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

Bugtraq ID: 50929
Class: Design Error
CVE: CVE-2011-1530
Remote: Yes
Local: No
Published: Dec 06 2011 12:00AM
Updated: Apr 13 2015 09:34PM
Credit: Simo Sorce
Vulnerable: Ubuntu Ubuntu Linux 11.10 i386
Ubuntu Ubuntu Linux 11.10 amd64
Redhat Enterprise Linux Workstation 6
Redhat Enterprise Linux Server 6
Redhat Enterprise Linux HPC Node Optional 6
Redhat Enterprise Linux HPC Node 6
Redhat Enterprise Linux Desktop Optional 6
Redhat Enterprise Linux Desktop 6
Oracle Enterprise Linux 6.2
Oracle Enterprise Linux 6
MIT Kerberos 5 5.0 -1.4.1
MIT Kerberos 5 5.0 -1.4
MIT Kerberos 5 5.0 -1.3.6
MIT Kerberos 5 5.0 -1.3.5
MIT Kerberos 5 5.0 -1.3.4
+ Redhat Desktop 4.0
+ Redhat Enterprise Linux AS 4
+ Redhat Enterprise Linux ES 4
+ Redhat Enterprise Linux WS 4
MIT Kerberos 5 5.0 -1.3.3
MIT Kerberos 5 5.0 -1.2beta2
MIT Kerberos 5 5.0 -1.2beta1
MIT Kerberos 5 5.0 -1.1.1
MIT Kerberos 5 5.0 -1.1
MIT Kerberos 5 5.0 -1.0.x
MIT Kerberos 5 1.8.1
MIT Kerberos 5 1.7.2
MIT Kerberos 5 1.6.2
MIT Kerberos 5 1.6.1
MIT Kerberos 5 1.6
MIT Kerberos 5 1.5.5
MIT Kerberos 5 1.5.4
MIT Kerberos 5 1.5.3
MIT Kerberos 5 1.5.2
MIT Kerberos 5 1.5.1
MIT Kerberos 5 1.5
MIT Kerberos 5 1.4.3
MIT Kerberos 5 1.4.2
MIT Kerberos 5 1.4.1
MIT Kerberos 5 1.4
MIT Kerberos 5 1.3.6
+ Gentoo Linux
+ Redhat Fedora Core3
+ Redhat Fedora Core2
+ Redhat Fedora Core1
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
MIT Kerberos 5 1.3.5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
MIT Kerberos 5 1.3.4
+ Mandriva Linux Mandrake 10.1 x86_64
+ Mandriva Linux Mandrake 10.1
+ Turbolinux Turbolinux Server 10.0
MIT Kerberos 5 1.3.3
MIT Kerberos 5 1.3.2
MIT Kerberos 5 1.3.1
MIT Kerberos 5 1.3 -alpha1
MIT Kerberos 5 1.3
+ Mandriva Linux Mandrake 10.0 AMD64
+ Mandriva Linux Mandrake 10.0
+ Mandriva Linux Mandrake 9.2 amd64
+ Mandriva Linux Mandrake 9.2
MIT Kerberos 5 1.2.8
MIT Kerberos 5 1.2.7
+ Mandriva Linux Mandrake 9.1 ppc
+ Mandriva Linux Mandrake 9.1
+ Redhat Linux 9.0 i386
MIT Kerberos 5 1.2.6
MIT Kerberos 5 1.2.5
+ MandrakeSoft Corporate Server 2.1 x86_64
+ MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 9.0
+ Redhat Linux 8.0 i386
+ Redhat Linux 8.0
+ Turbolinux Home
+ Turbolinux Turbolinux 10 F...
+ Turbolinux Turbolinux Desktop 10.0
+ Turbolinux Turbolinux Server 8.0
+ Wirex Immunix OS 7+
MIT Kerberos 5 1.2.4
+ Debian Linux 3.0 sparc
+ Debian Linux 3.0 s/390
+ Debian Linux 3.0 ppc
+ Debian Linux 3.0 mipsel
+ Debian Linux 3.0 mips
+ Debian Linux 3.0 m68k
+ Debian Linux 3.0 ia-64
+ Debian Linux 3.0 ia-32
+ Debian Linux 3.0 hppa
+ Debian Linux 3.0 arm
+ Debian Linux 3.0 alpha
+ Debian Linux 3.0
+ Redhat Linux 7.3 i386
+ Redhat Linux 7.3
MIT Kerberos 5 1.2.3
MIT Kerberos 5 1.2.2 -beta1
MIT Kerberos 5 1.2.2
+ MandrakeSoft Multi Network Firewall 2.0
+ Mandriva Linux Mandrake 8.2 ppc
+ Mandriva Linux Mandrake 8.2
+ Mandriva Linux Mandrake 8.1 ia64
+ Mandriva Linux Mandrake 8.1
+ Redhat Linux 7.2 ia64
+ Redhat Linux 7.2 i386
+ Redhat Linux 7.2
+ Redhat Linux 7.1 ia64
+ Redhat Linux 7.1 i386
+ Redhat Linux 7.1 alpha
+ Redhat Linux 7.1
+ Redhat Linux 7.0 i386
+ Redhat Linux 7.0 alpha
+ Redhat Linux 7.0
MIT Kerberos 5 1.2.1
MIT Kerberos 5 5-1.9
MIT Kerberos 5 1.8
Mandriva Linux Mandrake 2011 x86_64
Mandriva Linux Mandrake 2011
Gentoo Linux
Avaya Aura Experience Portal 6.0
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Not Vulnerable:

Discussion

MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

MIT Kerberos is prone to a remote denial-of-service vulnerability caused by a NULL-pointer dereference in KDC.

An attacker may exploit this issue to crash the affected service, resulting in denial-of-service conditions. Given the nature of this issue, the attacker may also be able to run arbitrary code, but this has not been confirmed.

Exploit / POC

MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

An attacker can use readily available tools to exploit this issue.

Solution / Fix

MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

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


Mandriva Linux Mandrake 2011 x86_64

Mandriva Linux Mandrake 2011

References

MIT Kerberos KDC TGS Handling NULL Pointer Dereference Denial Of Service Vulnerability

References:
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