Vulnerabilidad en función zend_strtod en PHP (CVE-2010-4645)
Gravedad CVSS v2.0:
MEDIA
Tipo:
CWE-189
Errores numéricos
Fecha de publicación:
11/01/2011
Última modificación:
11/04/2025
Descripción
strtod.c, tal como se utiliza en la función zend_strtod en PHP v5.2 anterior de v5.2.17 y v5.3 anterior de v5.3.5, y otros productos, permite a atacantes dependientes del contexto provocar una denegación de servicio (bucle infinito) a través de un cierto valor de punto flotante en notación científica, que no se manipula correctamente en los registros FPU x87.
Impacto
Puntuación base 2.0
5.00
Gravedad 2.0
MEDIA
Productos y versiones vulnerables
CPE | Desde | Hasta |
---|---|---|
cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.13:*:*:*:*:*:*:* | ||
cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:* |
Para consultar la lista completa de nombres de CPE con productos y versiones, ver esta página
Referencias a soluciones, herramientas e información
- http://bugs.php.net/53632
- http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053333.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://secunia.com/advisories/42812
- http://secunia.com/advisories/42843
- http://secunia.com/advisories/43051
- http://secunia.com/advisories/43189
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686
- http://support.apple.com/kb/HT5002
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/Zend/zend_strtod.c?r1=266327&r2=307095&pathrev=307095
- http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
- http://www.openwall.com/lists/oss-security/2011/01/05/2
- http://www.openwall.com/lists/oss-security/2011/01/05/8
- http://www.openwall.com/lists/oss-security/2011/01/06/5
- http://www.openwall.com/lists/oss-security/2023/05/14/3
- http://www.redhat.com/support/errata/RHSA-2011-0195.html
- http://www.redhat.com/support/errata/RHSA-2011-0196.html
- http://www.securityfocus.com/bid/45668
- http://www.ubuntu.com/usn/USN-1042-1
- http://www.vupen.com/english/advisories/2011/0060
- http://www.vupen.com/english/advisories/2011/0066
- http://www.vupen.com/english/advisories/2011/0077
- http://www.vupen.com/english/advisories/2011/0198
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64470
- http://bugs.php.net/53632
- http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053333.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://secunia.com/advisories/42812
- http://secunia.com/advisories/42843
- http://secunia.com/advisories/43051
- http://secunia.com/advisories/43189
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686
- http://support.apple.com/kb/HT5002
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/Zend/zend_strtod.c?r1=266327&r2=307095&pathrev=307095
- http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
- http://www.openwall.com/lists/oss-security/2011/01/05/2
- http://www.openwall.com/lists/oss-security/2011/01/05/8
- http://www.openwall.com/lists/oss-security/2011/01/06/5
- http://www.openwall.com/lists/oss-security/2023/05/14/3
- http://www.redhat.com/support/errata/RHSA-2011-0195.html
- http://www.redhat.com/support/errata/RHSA-2011-0196.html
- http://www.securityfocus.com/bid/45668
- http://www.ubuntu.com/usn/USN-1042-1
- http://www.vupen.com/english/advisories/2011/0060
- http://www.vupen.com/english/advisories/2011/0066
- http://www.vupen.com/english/advisories/2011/0077
- http://www.vupen.com/english/advisories/2011/0198
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64470