CVE-2010-4645

原文の説明

strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308.

影響を受けるソフトウェア

• PHP = 5.2.12= 5.3.4= 5.2.14= 5.2.16= 5.2.8= 5.2.6 完全一致

詳細

公開日

2011-01-11

最終更新

2025-02-14

CVSS ベクター

AV:N/AC:L/Au:N/C:N/I:N/A:P

参考資料

• cve.org/CVE-2010-4645
• nvd.nist.gov/vuln/detail/CVE-2010-4645
• www.vupen.com/english/advisories/2011/0077
• www.securityfocus.com/bid/45668
• marc.info/?l=bugtraq&m=133226187115472&w=2
• secunia.com/advisories/42812
• marc.info/?l=bugtraq&m=133469208622507&w=2
• www.redhat.com/support/errata/RHSA-2011-0196.html
• lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html
• www.openwall.com/lists/oss-security/2011/01/05/8
• www.redhat.com/support/errata/RHSA-2011-0195.html
• bugs.php.net/53632
• hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
• www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/