Title: PHP Multiple Safe_Mode and Open_Basedir Restriction Bypass Vulnerabilities
Severity: MODERATE
Description:
PHP is a general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
PHP is prone to multiple ''safe_mode'' and ''open_basedir'' restriction-bypass vulnerabilities. Successful exploits could allow an attacker to access sensitive information or to write files in unauthorized locations.
These vulnerabilities would be an issue in shared-hosting configurations where multiple users can create and execute arbitrary PHP script code, when the 'safe_mode' and 'open_basedir' restrictions are expected to isolate the users from each other.
The first issue is a 'safe_mode' bypass vulnerability in the 'copy()' function. When the source argument includes the 'compress.zlib://' prefix, attackers may specify arbitrary file locations on the computer without the 'safe_mode' restriction being validated. This allows attackers to gain access to arbitrary files on the hosting computer with the privileges of the hosting webserver.
The second issue is a 'open_basedir' bypass vulnerability in the 'tempnam()' function. The second argument may include '../' directory-traversal sequences to create files in arbitrary locations with the privileges of the hosting webserver. This allows attackers to create files in arbitrary locations outside of the configured 'open_basedir' path.
These issues are reported to affect PHP versions 4.4.2 and 5.1.2; other versions may also be vulnerable.
Affected Products:
- Apple Mac OS X 10.0.0
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.1.0
- Apple Mac OS X 10.1.0
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.3
- Apple Mac OS X 10.1.4
- Apple Mac OS X 10.1.5
- Avaya Converged Communications Server 2.0.0
- Avaya Intuity LX
- Avaya Message Networking
- Avaya Messaging Storage Server
- Avaya Messaging Storage Server MM3.0
- Avaya S8300 R2.0.0
- Avaya S8300 R2.0.1
- Avaya S8500 R2.0.0
- Avaya S8500 R2.0.1
- Avaya S8700 R2.0.0
- Avaya S8700 R2.0.1
- Avaya S8710 R2.0.0
- Avaya S8710 R2.0.1
- Caldera OpenLinux Server 3.1.0
- Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Workstation 3.1.0
- Caldera OpenLinux Workstation 3.1.1
- Compaq Compaq Secure Web Server PHP 1.0.0
- Conectiva Linux 6.0.0
- Conectiva Linux 7.0.0
- Debian Linux 2.2.0
- Debian Linux 2.2.0 68k
- Debian Linux 2.2.0 IA-32
- Debian Linux 2.2.0 alpha
- Debian Linux 2.2.0 arm
- Debian Linux 2.2.0 powerpc
- Debian Linux 2.2.0 sparc
- Debian Linux 3.0.0 alpha
- Debian Linux 3.0.0 arm
- Debian Linux 3.0.0 hppa
- Debian Linux 3.0.0 ia-32
- Debian Linux 3.0.0 ia-64
- Debian Linux 3.0.0 m68k
- Debian Linux 3.0.0 mips
- Debian Linux 3.0.0 mipsel
- Debian Linux 3.0.0 ppc
- Debian Linux 3.0.0 s/390
- Debian Linux 3.0.0 sparc
- EnGarde Secure Linux 1.0.1
- Gentoo Linux
- Gentoo Linux 1.2.0
- Gentoo Linux 1.4.0 _rc1
- Guardian Digital Engarde Secure Linux 1.0.1
- HP Secure OS software for Linux 1.0.0
- Linux kernel 2.4.19
- Linux kernel 2.4.21
- Linux kernel 2.6.5
- MandrakeSoft Corporate Server 1.0.1
- MandrakeSoft Corporate Server 2.1.0
- MandrakeSoft Corporate Server 2.1.0 x86_64
- MandrakeSoft Corporate Server 3.0.0
- MandrakeSoft Corporate Server 3.0.0 x86_64
- MandrakeSoft Linux Mandrake 10.0.0
- MandrakeSoft Linux Mandrake 10.0.0 amd64
- MandrakeSoft Linux Mandrake 10.1.0
- MandrakeSoft Linux Mandrake 10.1.0 x86_64
- MandrakeSoft Linux Mandrake 10.2.0
- MandrakeSoft Linux Mandrake 10.2.0 x86_64
- MandrakeSoft Linux Mandrake 2006.0.0
- MandrakeSoft Linux Mandrake 2006.0.0 x86_64
- MandrakeSoft Linux Mandrake 7.1.0
- MandrakeSoft Linux Mandrake 7.2.0
- MandrakeSoft Linux Mandrake 8.0.0
- MandrakeSoft Linux Mandrake 8.0.0 ppc
- MandrakeSoft Linux Mandrake 8.1.0
- MandrakeSoft Linux Mandrake 8.1.0 ia64
- MandrakeSoft Linux Mandrake 8.2.0
- MandrakeSoft Linux Mandrake 8.2.0 ppc
- MandrakeSoft Linux Mandrake 9.0.0
- MandrakeSoft Linux Mandrake 9.1.0
- MandrakeSoft Linux Mandrake 9.1.0 ppc
- MandrakeSoft Multi Network Firewall 2.0.0
- MandrakeSoft Single Network Firewall 7.2.0
- OpenPKG OpenPKG 1.1.0
- OpenPKG OpenPKG Current
- PHP PHP 4.0.0 0
- PHP PHP 4.0.1
- PHP PHP 4.0.1 pl1
- PHP PHP 4.0.1 pl2
- PHP PHP 4.0.2
- PHP PHP 4.0.3
- PHP PHP 4.0.3 pl1
- PHP PHP 4.0.4
- PHP PHP 4.0.5
- PHP PHP 4.0.6
- PHP PHP 4.0.7
- PHP PHP 4.0.7 RC1
- PHP PHP 4.0.7 RC2
- PHP PHP 4.0.7 RC3
- PHP PHP 4.1.0 .0
- PHP PHP 4.1.1
- PHP PHP 4.1.2
- PHP PHP 4.2.0 -dev
- PHP PHP 4.2.0 .0
- PHP PHP 4.2.1
- PHP PHP 4.2.2
- PHP PHP 4.2.3
- PHP PHP 4.3.0
- PHP PHP 4.3.1
- PHP PHP 4.3.10
- PHP PHP 4.3.11
- PHP PHP 4.3.2
- PHP PHP 4.3.3
- PHP PHP 4.3.4
- PHP PHP 4.3.5
- PHP PHP 4.3.6
- PHP PHP 4.3.7
- PHP PHP 4.3.8
- PHP PHP 4.3.9
- PHP PHP 4.4.0 .0
- PHP PHP 4.4.1
- PHP PHP 4.4.2
- PHP PHP 5.0.0 .0
- PHP PHP 5.0.0 candidate 1
- PHP PHP 5.0.0 candidate 2
- PHP PHP 5.0.0 candidate 3
- PHP PHP 5.0.1
- PHP PHP 5.0.2
- PHP PHP 5.0.3
- PHP PHP 5.0.4
- PHP PHP 5.0.5
- PHP PHP 5.1.0
- PHP PHP 5.1.1
- PHP PHP 5.1.2
- PHP PHP 5.1.3-RC1
- RedHat Advanced Workstation for the Itanium Processor 2.1.0
- RedHat Advanced Workstation for the Itanium Processor 2.1.0 IA64
- RedHat Desktop 3.0.0
- RedHat Desktop 4.0.0
- RedHat Enterprise Linux AS 2.1
- RedHat Enterprise Linux AS 2.1 IA64
- RedHat Enterprise Linux AS 3
- RedHat Enterprise Linux AS 4
- RedHat Enterprise Linux ES 2.1
- RedHat Enterprise Linux ES 2.1 IA64
- RedHat Enterprise Linux ES 3
- RedHat Enterprise Linux ES 4
- RedHat Enterprise Linux WS 2.1
- RedHat Enterprise Linux WS 2.1 IA64
- RedHat Enterprise Linux WS 3
- RedHat Enterprise Linux WS 4
- RedHat Fedora Core3
- RedHat Linux 6.2.0
- RedHat Linux 6.2.0 alpha
- RedHat Linux 6.2.0 i386
- RedHat Linux 6.2.0 sparc
- RedHat Linux 7.0.0
- RedHat Linux 7.0.0 alpha
- RedHat Linux 7.0.0 i386
- RedHat Linux 7.1.0
- RedHat Linux 7.1.0 alpha
- RedHat Linux 7.1.0 i386
- RedHat Linux 7.1.0 ia64
- RedHat Linux 7.2.0
- RedHat Linux 7.2.0 i386
- RedHat Linux 7.2.0 ia64
- RedHat Linux 8.0.0
- RedHat Linux 8.0.0 i386
- RedHat Stronghold 4.0.0
- S.u.S.E. Linux 6.4.0
- S.u.S.E. Linux 6.4.0 alpha
- S.u.S.E. Linux 6.4.0 i386
- S.u.S.E. Linux 6.4.0 ppc
- S.u.S.E. Linux 7.0.0
- S.u.S.E. Linux 7.0.0 alpha
- S.u.S.E. Linux 7.0.0 i386
- S.u.S.E. Linux 7.0.0 ppc
- S.u.S.E. Linux 7.0.0 sparc
- S.u.S.E. Linux 7.1.0
- S.u.S.E. Linux 7.1.0 alpha
- S.u.S.E. Linux 7.1.0 ppc
- S.u.S.E. Linux 7.1.0 sparc
- S.u.S.E. Linux 7.1.0 x86
- S.u.S.E. Linux 7.2.0
- S.u.S.E. Linux 7.2.0 i386
- S.u.S.E. Linux 7.3.0
- S.u.S.E. Linux 7.3.0 i386
- S.u.S.E. Linux 7.3.0 ppc
- S.u.S.E. Linux 7.3.0 sparc
- S.u.S.E. Linux 8.0.0
- S.u.S.E. Linux 8.0.0 i386
- S.u.S.E. Linux 8.1.0
- S.u.S.E. Linux Enterprise Server 8
- S.u.S.E. Linux Enterprise Server 9
- S.u.S.E. Linux Enterprise Server for S/390
- S.u.S.E. Linux Enterprise Server for S/390 9.0.0
- S.u.S.E. Linux Personal 10.0.0 OSS
- S.u.S.E. Linux Personal 8.2.0
- S.u.S.E. Linux Personal 9.0.0
- S.u.S.E. Linux Personal 9.0.0 x86_64
- S.u.S.E. Linux Personal 9.1.0
- S.u.S.E. Linux Personal 9.1.0 x86_64
- S.u.S.E. Linux Personal 9.2.0
- S.u.S.E. Linux Personal 9.2.0 x86_64
- S.u.S.E. Linux Personal 9.3.0
- S.u.S.E. Linux Personal 9.3.0 x86_64
- S.u.S.E. Linux Professional 10.0.0
- S.u.S.E. Linux Professional 10.0.0 OSS
- S.u.S.E. Linux Professional 9.1.0
- S.u.S.E. Linux Professional 9.1.0 x86_64
- S.u.S.E. Linux Professional 9.2.0
- S.u.S.E. Linux Professional 9.2.0 x86_64
- S.u.S.E. Linux Professional 9.3.0
- S.u.S.E. Linux Professional 9.3.0 x86_64
- S.u.S.E. UnitedLinux 1.0.0
- SGI ProPack 3.0.0 SP6
- Slackware Linux 8.1.0
- Sun Cobalt Control Station 4100CS
- Sun Cobalt Qube3 4000WG
- Sun Cobalt Qube3 Japanese 4000WGJ
- Sun Cobalt Qube3 Japanese w/ Caching and RAID 4100WGJ
- Sun Cobalt Qube3 Japanese w/Caching 4010WGJ
- Sun Cobalt Qube3 w/ Caching and RAID 4100WG
- Sun Cobalt Qube3 w/Caching 4010WG
- Sun Cobalt RaQ 550
- Sun Cobalt RaQ XTR 3500R
- Sun Cobalt RaQ XTR Japanese 3500R-ja
- Sun Cobalt RaQ4 3001R
- Sun Cobalt RaQ4 Japanese RAID 3100R-ja
- Sun Cobalt RaQ4 RAID 3100R
- Sun LX50
- Trustix Secure Enterprise Linux 2.0.0
- Trustix Secure Linux 1.5.0
- Trustix Secure Linux 2.0.0
- Trustix Secure Linux 2.1.0
- Trustix Secure Linux 2.2.0
- Turbolinux Appliance Server 1.0.0 Hosting Edition
- Turbolinux Appliance Server 1.0.0 Workgroup Edition
- Turbolinux Appliance Server 2.0
- Turbolinux Appliance Server Hosting Edition 1.0.0
- Turbolinux Appliance Server Workgroup Edition 1.0.0
- Turbolinux Home
- Turbolinux Multimedia
- Turbolinux Personal
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux Desktop 10.0.0
- Turbolinux Turbolinux Server 10.0.0
- Turbolinux Turbolinux Server 10.0.0 x86
- Turbolinux Turbolinux Server 7.0.0
- Turbolinux Turbolinux Server 7.0.0
- Turbolinux Turbolinux Server 8.0.0
- Turbolinux Turbolinux Server 8.0.0
- Turbolinux Turbolinux Workstation 7.0.0
- Turbolinux Turbolinux Workstation 8.0.0
- Turbolinux Turbolinux Workstation 8.0.0
- Ubuntu Ubuntu Linux 4.1.0 ia32
- Ubuntu Ubuntu Linux 4.1.0 ia64
- Ubuntu Ubuntu Linux 4.1.0 ppc
- Ubuntu Ubuntu Linux 5.0.0 4 amd64
- Ubuntu Ubuntu Linux 5.0.0 4 i386
- Ubuntu Ubuntu Linux 5.0.0 4 powerpc
- Ubuntu Ubuntu Linux 5.10.0 amd64
- Ubuntu Ubuntu Linux 5.10.0 i386
- Ubuntu Ubuntu Linux 5.10.0 powerpc
- Ubuntu Ubuntu Linux 5.10.0 sparc
- Ubuntu Ubuntu Linux 6.06 LTS amd64
- Ubuntu Ubuntu Linux 6.06 LTS i386
- Ubuntu Ubuntu Linux 6.06 LTS powerpc
- Ubuntu Ubuntu Linux 6.06 LTS sparc
References:
- Avaya: ASA-2006-175 - php security update (RHSA-2006-0568)
- Avaya: ASA-2006-179 - php security update (RHSA-2006-0567)
- PHP: PHP Homepage
- PHP: PHP NEWS
- Red Hat: RHSA-2006:0549-7 - php security update for Stronghold
- Red Hat: RHSA-2006:0567-7 - php security update
- Red Hat: RHSA-2006:0568-8 - php security update
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