Libpng Library 'png_push_read_zTXt()' Off-By-One Denial of Service Vulnerability

BID:31049

Info

Libpng Library 'png_push_read_zTXt()' Off-By-One Denial of Service Vulnerability

Bugtraq ID: 31049
Class: Design Error
CVE: CVE-2008-3964
Remote: Yes
Local: No
Published: Sep 06 2008 12:00AM
Updated: Jun 10 2009 07:00PM
Credit: Harald van Dijk
Vulnerable: 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
Ubuntu Ubuntu Linux 7.10 sparc
Ubuntu Ubuntu Linux 7.10 powerpc
Ubuntu Ubuntu Linux 7.10 lpia
Ubuntu Ubuntu Linux 7.10 i386
Ubuntu Ubuntu Linux 7.10 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
Sun Solaris 9_x86
Sun Solaris 9
Sun Solaris 10.0_x86
Sun Solaris 10.0
Sun OpenSolaris build snv_99
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_57
Sun OpenSolaris build snv_50
Sun OpenSolaris build snv_47
Sun OpenSolaris build snv_45
Sun OpenSolaris build snv_39
Sun OpenSolaris build snv_36
Sun OpenSolaris build snv_29
Sun OpenSolaris build snv_22
Sun OpenSolaris build snv_19
Sun OpenSolaris build snv_13
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_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
Sun OpenSolaris build snv_02
Sun OpenSolaris build snv_01
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 4.0
libpng libpng3 1.2.31
libpng libpng3 1.2.30 beta04
Gentoo Linux
Avaya Interactive Response 4.0
Avaya Interactive Response 3.0
Avaya CMS Server 15.0
Not Vulnerable: libpng libpng3 1.2.32 beta01

Discussion

Libpng Library 'png_push_read_zTXt()' Off-By-One Denial of Service Vulnerability

The 'libpng' library is prone to a remote denial-of-service vulnerability because the library fails to handle malicious PNG files.

Successful exploits may allow remote attackers to cause denial-of-service conditions on computers running the affected library.

This issue affects 'libpng' 1.2.30beta04 and 1.2.31; other versions may also be affected.

Exploit / POC

Libpng Library 'png_push_read_zTXt()' Off-By-One Denial of Service Vulnerability

To exploit this issue, an attacker must entice an unsuspecting victim into opening a malicious PNG file.

Solution / Fix

Libpng Library 'png_push_read_zTXt()' Off-By-One Denial of Service Vulnerability

Solution:
The vendor has released updates. Please see the references for more information.


Ubuntu Ubuntu Linux 7.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 6.06 LTS sparc

Mandriva Linux Mandrake 2008.0 x86_64

Ubuntu Ubuntu Linux 8.04 LTS amd64

Mandriva Linux Mandrake 2008.0

Ubuntu Ubuntu Linux 7.10 sparc

Ubuntu Ubuntu Linux 8.10 sparc

Mandriva Linux Mandrake 2009.0 x86_64

Ubuntu Ubuntu Linux 8.10 amd64

Mandriva Linux Mandrake 2008.1 x86_64

Mandriva Linux Mandrake 2008.1

Ubuntu Ubuntu Linux 8.10 i386

Ubuntu Ubuntu Linux 6.06 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 7.10 lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 7.10 i386

Ubuntu Ubuntu Linux 8.10 lpia

Ubuntu Ubuntu Linux 6.06 LTS amd64

Mandriva Linux Mandrake 2009.0

MandrakeSoft Multi Network Firewall 2.0

MandrakeSoft Corporate Server 3.0

MandrakeSoft Corporate Server 3.0 x86_64

References

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