Mozilla NSS NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

BID:35888

Info

Mozilla NSS NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

Bugtraq ID: 35888
Class: Design Error
CVE: CVE-2009-2408
Remote: Yes
Local: No
Published: Jul 30 2009 12:00AM
Updated: Mar 19 2015 08:13AM
Credit: Dan Kaminsky, Moxie Marlinspike
Vulnerable: VMWare vMA 4.0
VMWare ESX Server 4.0
Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.10 sparc
Ubuntu Ubuntu Linux 8.10 powerpc
Ubuntu Ubuntu Linux 8.10 lpia
Ubuntu Ubuntu Linux 8.10 i386
Ubuntu Ubuntu Linux 8.10 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
Turbolinux wizpy 0
Turbolinux Turbolinux FUJI
Turbolinux FUJI 0
Turbolinux Client 2008
SuSE SUSE Linux Enterprise Server 11 DEBUGINFO
SuSE SUSE Linux Enterprise Server 11
SuSE SUSE Linux Enterprise Server 10 SP3
SuSE SUSE Linux Enterprise Server 10 SP2
SuSE SUSE Linux Enterprise SDK 10 SP3
SuSE SUSE Linux Enterprise SDK 10 SP2
SuSE SUSE Linux Enterprise Desktop 11
SuSE SUSE Linux Enterprise Desktop 10 SP3
SuSE SUSE Linux Enterprise Desktop 10 SP2
SuSE SUSE Linux Enterprise 11
SuSE SUSE Linux Enterprise 10 SP3 DEBUGINFO
SuSE SUSE Linux Enterprise 10 SP2 DEBUGINFO
SuSE openSUSE 10.3
SuSE Linux 9
SuSE Linux 11
Sun Solaris 10_x86
Sun Solaris 10_sparc
Sun OpenSolaris build snv_99
Sun OpenSolaris build snv_98
Sun OpenSolaris build snv_96
Sun OpenSolaris build snv_95
Sun OpenSolaris build snv_94
Sun OpenSolaris build snv_93
Sun OpenSolaris build snv_92
Sun OpenSolaris build snv_91
Sun OpenSolaris build snv_90
Sun OpenSolaris build snv_89
Sun OpenSolaris build snv_88
Sun OpenSolaris build snv_87
Sun OpenSolaris build snv_86
Sun OpenSolaris build snv_85
Sun OpenSolaris build snv_84
Sun OpenSolaris build snv_83
Sun OpenSolaris build snv_82
Sun OpenSolaris build snv_81
Sun OpenSolaris build snv_80
Sun OpenSolaris build snv_78
Sun OpenSolaris build snv_77
Sun OpenSolaris build snv_76
Sun OpenSolaris build snv_68
Sun OpenSolaris build snv_67
Sun OpenSolaris build snv_64
Sun OpenSolaris build snv_61
Sun OpenSolaris build snv_59
Sun OpenSolaris build snv_58
Sun OpenSolaris build snv_57
Sun OpenSolaris build snv_54
Sun OpenSolaris build snv_51
Sun OpenSolaris build snv_50
Sun OpenSolaris build snv_49
Sun OpenSolaris build snv_48
Sun OpenSolaris build snv_124
Sun OpenSolaris build snv_123
Sun OpenSolaris build snv_122
Sun OpenSolaris build snv_121
Sun OpenSolaris build snv_120
Sun OpenSolaris build snv_119
Sun OpenSolaris build snv_118
Sun OpenSolaris build snv_117
Sun OpenSolaris build snv_116
Sun OpenSolaris build snv_115
Sun OpenSolaris build snv_114
Sun OpenSolaris build snv_113
Sun OpenSolaris build snv_112
Sun OpenSolaris build snv_111a
Sun OpenSolaris build snv_111
Sun OpenSolaris build snv_110
Sun OpenSolaris build snv_109
Sun OpenSolaris build snv_108
Sun OpenSolaris build snv_107
Sun OpenSolaris build snv_106
Sun OpenSolaris build snv_105
Sun OpenSolaris build snv_104
Sun OpenSolaris build snv_103
Sun OpenSolaris build snv_102
Sun OpenSolaris build snv_101a
Sun OpenSolaris build snv_101
Sun OpenSolaris build snv_100
Slackware Linux 13.0 x86_64
Slackware Linux 13.0
Slackware Linux 12.2
Slackware Linux 12.1
Slackware Linux 12.0
Slackware Linux 11.0
Slackware Linux -current
S.u.S.E. openSUSE 11.1
S.u.S.E. openSUSE 11.0
S.u.S.E. Linux 10.0
RedHat Enterprise Linux WS 3
RedHat Enterprise Linux ES 4.7.z
RedHat Enterprise Linux ES 3
RedHat Enterprise Linux 5.2.z server
RedHat Desktop 3.0
Red Hat Enterprise Linux AS 4.7.z
Red Hat Enterprise Linux AS 3
Pardus Linux 2009 0
Pardus Linux 2008 0
Mozilla Thunderbird 2.0 .9
Mozilla Thunderbird 2.0 .8
Mozilla Thunderbird 2.0 .6
Mozilla Thunderbird 2.0 .5
Mozilla Thunderbird 2.0 .4
Mozilla Thunderbird 2.0 .19
Mozilla Thunderbird 2.0 .17
Mozilla Thunderbird 2.0 .16
Mozilla Thunderbird 2.0 .15
Mozilla Thunderbird 2.0 .14
Mozilla Thunderbird 2.0 .13
Mozilla Thunderbird 2.0 .12
Mozilla Thunderbird 2.0.0.22
Mozilla Thunderbird 2.0.0.21
Mozilla Thunderbird 2.0.0.18
Mozilla SeaMonkey 1.1.17
Mozilla SeaMonkey 1.1.16
Mozilla SeaMonkey 1.1.15
Mozilla SeaMonkey 1.1.14
Mozilla SeaMonkey 1.1.13
Mozilla SeaMonkey 1.1.12
Mozilla SeaMonkey 1.1.11
Mozilla SeaMonkey 1.1.10
Mozilla SeaMonkey 1.1.9
Mozilla SeaMonkey 1.1.8
Mozilla SeaMonkey 1.1.7
Mozilla SeaMonkey 1.1.6
Mozilla SeaMonkey 1.1.5
Mozilla SeaMonkey 1.1.4
Mozilla SeaMonkey 1.1.3
Mozilla SeaMonkey 1.1.2
Mozilla SeaMonkey 1.1.1
Mozilla SeaMonkey 1.1 beta
Mozilla Network Security Services (NSS) 3.12.2
Mozilla Network Security Services (NSS) 3.11.3
Mozilla Network Security Services (NSS) 3.9.2
Mozilla Network Security Services (NSS) 3.9
+ Mozilla Browser 1.5
Mozilla Network Security Services (NSS) 3.8
Mozilla Network Security Services (NSS) 3.7.7
Mozilla Network Security Services (NSS) 3.7.5
Mozilla Network Security Services (NSS) 3.7.3
Mozilla Network Security Services (NSS) 3.7.2
Mozilla Network Security Services (NSS) 3.7.1
Mozilla Network Security Services (NSS) 3.7
Mozilla Network Security Services (NSS) 3.6.1
Mozilla Network Security Services (NSS) 3.6
Mozilla Network Security Services (NSS) 3.5
Mozilla Network Security Services (NSS) 3.4.2
Mozilla Network Security Services (NSS) 3.4.1
Mozilla Network Security Services (NSS) 3.4
Mozilla Network Security Services (NSS) 3.3.2
Mozilla Network Security Services (NSS) 3.3.1
Mozilla Network Security Services (NSS) 3.3
Mozilla Network Security Services (NSS) 3.2.1
Mozilla Network Security Services (NSS) 3.2
Mozilla Network Security Services (NSS) 3.12
Mozilla Network Security Services (NSS) 3.11
Mozilla Firefox 3.0.12
Mozilla Firefox 3.0.11
Mozilla Firefox 3.0.10
Mozilla Firefox 3.0.9
Mozilla Firefox 3.0.8
Mozilla Firefox 3.0.7 Beta
Mozilla Firefox 3.0.7
Mozilla Firefox 3.0.6
Mozilla Firefox 3.0.5
Mozilla Firefox 3.0.4
Mozilla Firefox 3.0.3
Mozilla Firefox 3.0.2
Mozilla Firefox 3.0.1
Mozilla Firefox 3.0 Beta 5
Mozilla Firefox 3.0
Mandriva Linux Mandrake 2009.1 x86_64
Mandriva Linux Mandrake 2009.1
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
Debian Linux 5.0 sparc
Debian Linux 5.0 s/390
Debian Linux 5.0 powerpc
Debian Linux 5.0 mipsel
Debian Linux 5.0 mips
Debian Linux 5.0 m68k
Debian Linux 5.0 ia-64
Debian Linux 5.0 ia-32
Debian Linux 5.0 hppa
Debian Linux 5.0 armel
Debian Linux 5.0 arm
Debian Linux 5.0 amd64
Debian Linux 5.0 alpha
Debian Linux 5.0
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 armel
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Attachmate Reflection for Secure IT Windows Server 7.2
Attachmate Reflection for Secure IT Windows Server 7.0 SP2
Attachmate Reflection for Secure IT Windows Server 7.0 SP1
Attachmate Reflection for Secure IT Windows Server 6.0
Attachmate Reflection for Secure IT UNIX Server 7.2
Attachmate Reflection for Secure IT UNIX Server 7.0 SP1
Attachmate Reflection for Secure IT UNIX Server 6.0
Attachmate Reflection for Secure IT UNIX Client 7.2
Attachmate Reflection for Secure IT UNIX Client 7.0 SP1
Attachmate Reflection for Secure IT UNIX Client 6.0
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 10.4.11
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 10.6
Apple Mac OS X Server 10.5
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 10.4.11
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 10.6
Apple Mac OS X 10.5
Not Vulnerable: VMWare ESX Server 4.0 ESX400-200912403
Sun OpenSolaris build snv_125
Mozilla Thunderbird 2.0.0.23
Mozilla Network Security Services (NSS) 3.12.3
Mozilla Firefox 3.5
Mozilla Camino 1.6.9
Attachmate Reflection for Secure IT Windows Server 7.2 SP1
Attachmate Reflection for Secure IT UNIX Server 7.2 SP1
Attachmate Reflection for Secure IT UNIX Client 7.2 SP1
Apple Mac OS X Server 10.6.2
Apple Mac OS X 10.6.2

Discussion

Mozilla NSS NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

Mozilla Network Security Services (NSS) is prone to a security-bypass vulnerability because it fails to properly validate the domain name in a signed CA certificate, allowing attackers to substitute malicious SSL certificates for trusted ones.

The NSS library is used by a number of applications, including Mozilla Firefox, Thunderbird, and SeaMonkey.

Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.

NOTE (August 6, 2009): This BID had included a similar issue in Fetchmail, but that issue is now documented in BID 35951 (Fetchmail NULL Character CA SSL Certificate Validation Security Bypass Vulnerability).

Exploit / POC

Mozilla NSS NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

Attackers use man-in-the-middle attacks to exploit this issue.

The following wildcard certificate is available:

Solution / Fix

Mozilla NSS NULL Character CA SSL Certificate Validation Security Bypass Vulnerability

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


Ubuntu Ubuntu Linux 8.10 powerpc

Slackware Linux 12.2

Debian Linux 5.0 alpha

Ubuntu Ubuntu Linux 9.04 sparc

Ubuntu Ubuntu Linux 8.10 sparc

Ubuntu Ubuntu Linux 9.04 lpia

Debian Linux 5.0 armel

S.u.S.E. openSUSE 11.0

Mandriva Linux Mandrake 2009.0 x86_64

Turbolinux Client 2008

MandrakeSoft Enterprise Server 5

Debian Linux 5.0 hppa

MandrakeSoft Corporate Server 3.0

References

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