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CVE
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CVE-2010-4645Date: (C)2011-01-10   (M)2018-06-11


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECUNIA-42812
SECUNIA-42843
SECUNIA-43051
SECUNIA-43189
BID-45668
ADV-2011-0060
ADV-2011-0066
ADV-2011-0077
ADV-2011-0198
APPLE-SA-2011-10-12-3
FEDORA-2011-0321
FEDORA-2011-0329
HPSBMU02752
IAVM:2012-B-0056
RHSA-2011:0195
RHSA-2011:0196
SSA:2011-010-01
SSRT100802
SSRT100826
USN-1042-1
http://www.openwall.com/lists/oss-security/2011/01/05/8
http://www.openwall.com/lists/oss-security/2011/01/05/2
http://www.openwall.com/lists/oss-security/2011/01/06/5
http://bugs.php.net/53632
http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
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/
php-zendstrtod-dos(64470)

CPE    22
cpe:/a:php:php:5.2.3
cpe:/a:php:php:5.3.2
cpe:/a:php:php:5.2.4
cpe:/a:php:php:5.3.3
...
CWE    1
CWE-189
OVAL    14
oval:org.secpod.oval:def:101197
oval:org.secpod.oval:def:101182
oval:org.secpod.oval:def:3147
oval:org.secpod.oval:def:101206
...

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