MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

BID:45122

Info

MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

Bugtraq ID: 45122
Class: Design Error
CVE: CVE-2010-4021
Remote: Yes
Local: No
Published: Nov 30 2010 12:00AM
Updated: Mar 19 2015 09:32AM
Credit: Sam Hartman
Vulnerable: VMWare ESXi 4.1
VMWare ESX 4.1
Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 ARM
Ubuntu Ubuntu Linux 9.10 amd64
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
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
SuSE SUSE Linux Enterprise 11 SP1
SuSE SUSE Linux Enterprise 11
SuSE SUSE Linux Enterprise 10 SP3
SuSE openSUSE 11.3
S.u.S.E. openSUSE 11.2
S.u.S.E. openSUSE 11.1
MIT Kerberos 5 5-1.7
MIT Kerberos 5 1.7
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Gentoo Linux
Apple Mac OS X Server 10.6.6
Apple Mac OS X Server 10.6.5
Apple Mac OS X Server 10.6.4
Apple Mac OS X Server 10.6.3
Apple Mac OS X Server 10.6.2
Apple Mac OS X Server 10.6.1
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 10.5
Apple Mac OS X Server 10.6
Apple Mac OS X Server 10.5
Apple Mac OS X 10.6.5
Apple Mac OS X 10.6.4
Apple Mac OS X 10.6.3
Apple Mac OS X 10.6.2
Apple Mac OS X 10.6.1
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 10.5
Apple Mac OS X 10.6
Apple Mac OS X 10.5
Not Vulnerable: VMWare ESXi Server 4.1 ESXi410-20110440
VMWare ESX Server 4.1 ESX410-201104401
MIT Kerberos 5 1.7.1
MIT Kerberos 5 5-1.7.1
Apple Mac Os X Server 10.6.7

Discussion

MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

MIT Kerberos is prone to a remote security-bypass vulnerability because of a 'KrbFastReq' forgery issue.

Exploiting this issue may allow a remote attacker to bypass certain security restrictions and perform unauthorized actions.

Kerberos 5 1.7 is affected.

Exploit / POC

MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

An attacker can exploit this issue with readily-available tools.

Solution / Fix

MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

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


Ubuntu Ubuntu Linux 9.10 sparc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Apple Mac OS X Server 10.6

Ubuntu Ubuntu Linux 9.10 powerpc

Ubuntu Ubuntu Linux 6.06 LTS sparc

Ubuntu Ubuntu Linux 8.04 LTS amd64

Ubuntu Ubuntu Linux 9.10 lpia

Mandriva Linux Mandrake 2010.1 x86_64

Ubuntu Ubuntu Linux 10.10 amd64

Ubuntu Ubuntu Linux 10.04 powerpc

Ubuntu Ubuntu Linux 9.10 i386

Ubuntu Ubuntu Linux 10.04 amd64

VMWare ESXi 4.1

Ubuntu Ubuntu Linux 9.10 ARM

Ubuntu Ubuntu Linux 9.10 amd64

Apple Mac OS X 10.6

Ubuntu Ubuntu Linux 10.04 ARM

Ubuntu Ubuntu Linux 10.04 i386

VMWare ESX 4.1

MandrakeSoft Enterprise Server 5 x86_64

Ubuntu Ubuntu Linux 10.10 ARM

Ubuntu Ubuntu Linux 6.06 LTS powerpc

MandrakeSoft Enterprise Server 5

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 6.06 LTS amd64

Mandriva Linux Mandrake 2010.1

Ubuntu Ubuntu Linux 10.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS i386

Ubuntu Ubuntu Linux 10.10 i386

Ubuntu Ubuntu Linux 10.04 sparc

Apple Mac OS X Server 10.5.8

Apple Mac OS X 10.5.8

Apple Mac OS X Server 10.6.1

Apple Mac OS X 10.6.1

Apple Mac OS X Server 10.6.2

Apple Mac OS X 10.6.2

Apple Mac OS X 10.6.3

Apple Mac OS X Server 10.6.3

Apple Mac OS X 10.6.4

Apple Mac OS X Server 10.6.4

Apple Mac OS X Server 10.6.5

Apple Mac OS X 10.6.5

Apple Mac OS X Server 10.6.6

References

MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability

References:

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