int(2759)

Vulnerability Bulletins


Condición de carrera en PHP

Vulnerability classification

Property Value
Confidence level Oficial
Impact Aumento de la visibilidad
Dificulty Principiante
Required attacker level Acceso remoto con cuenta

System information

Property Value
Affected manufacturer GNU/Linux
Affected software PHP < 5.1.6

Description

Se ha descubierto una vulnerabilidad de condición de carrera en PHP 5.1.6 y anteriores. La vulnerabilidad reside en un error en la función "symlink()" .

Esta vulnerabilidad podría permitir a un atacante local saltarse las restricciones de "open_basedir" usando una combinación de los comandos "symlink", "mkdir", y "unlink" para cambiar la ruta de acceso después de que se haya realizado la comprobación "open_basedir" y antes de que el archivo sea abierto por el sistema.

Solution



Actualización de software

Mandriva

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/libphp_common432-4.3.4-4.21.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/php432-devel-4.3.4-4.21.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/php-cgi-4.3.4-4.21.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/php-cli-4.3.4-4.21.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-4.3.4-4.21.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/lib64php_common432-4.3.4-4.21.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/php432-devel-4.3.4-4.21.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/php-cgi-4.3.4-4.21.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/php-cli-4.3.4-4.21.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-4.3.4-4.21.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/libphp_common432-4.3.4-4.21.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/php432-devel-4.3.4-4.21.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/php-cgi-4.3.4-4.21.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/php-cli-4.3.4-4.21.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/php-4.3.4-4.21.M20mdk.src.rpm

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libphp5_common5-5.0.4-9.16.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/php-cgi-5.0.4-9.16.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/php-cli-5.0.4-9.16.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/php-devel-5.0.4-9.16.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/php-fcgi-5.0.4-9.16.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-5.0.4-9.16.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64php5_common5-5.0.4-9.16.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/php-cgi-5.0.4-9.16.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/php-cli-5.0.4-9.16.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/php-devel-5.0.4-9.16.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/php-fcgi-5.0.4-9.16.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-5.0.4-9.16.20060mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libphp5_common5-5.1.6-1.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/php-cgi-5.1.6-1.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/php-cli-5.1.6-1.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/php-devel-5.1.6-1.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/php-fcgi-5.1.6-1.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/php-5.1.6-1.2mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64php5_common5-5.1.6-1.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/php-cgi-5.1.6-1.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/php-cli-5.1.6-1.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/php-devel-5.1.6-1.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/php-fcgi-5.1.6-1.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/php-5.1.6-1.2mdv2007.0.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libphp4_common4-4.4.4-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libphp5_common5-5.1.6-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php4-cgi-4.4.4-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php4-cli-4.4.4-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php4-devel-4.4.4-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php-cgi-5.1.6-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php-cli-5.1.6-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php-devel-5.1.6-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/php-fcgi-5.1.6-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/php4-4.4.4-1.1.20060mlcs4.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/php-5.1.6-1.1.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64php4_common4-4.4.4-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64php5_common5-5.1.6-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php4-cgi-4.4.4-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php4-cli-4.4.4-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php4-devel-4.4.4-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php-cgi-5.1.6-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php-cli-5.1.6-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php-devel-5.1.6-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/php-fcgi-5.1.6-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/php4-4.4.4-1.1.20060mlcs4.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/php-5.1.6-1.1.20060ml

Standar resources

Property Value
CVE CVE-2006-5178
BID 20326

Other resources

Mandriva Security Advisory (MDKSA-2006:185)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:185

Version history

Version Comments Date
1.0 Aviso emitido 2006-10-18
Ministerio de Defensa
CNI
CCN
CCN-CERT