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Vulnerability Details : CVE-2010-4645

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.
Publish Date : 2011-01-11 Last Update Date : 2017-08-17
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 189

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:L/Au:N/C:N/I:N/A:P 2011-01-05 2010-12-30
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2010-4645 unix
DEPRECATED: ELSA-2011-0196 -- php53 security update (moderate) oval:org.mitre.oval:def:27854 unix
DEPRECATED: ELSA-2011-0195 -- php security update (moderate) oval:org.mitre.oval:def:28206 unix
ELSA-2011:0195: php security update (Moderate) oval:org.mitre.oval:def:23479 unix
ELSA-2011:0196: php53 security update (Moderate) oval:org.mitre.oval:def:23086 unix
RHSA-2011:0195: php security update (Moderate) oval:com.redhat.rhsa:def:20110195 unix
RHSA-2011:0195: php security update (Moderate) oval:org.mitre.oval:def:21534 unix
RHSA-2011:0196: php53 security update (Moderate) oval:org.mitre.oval:def:21699 unix
RHSA-2011:0196: php53 security update (Moderate) oval:com.redhat.rhsa:def:20110196 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-4645

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 5.2.0 * * * Version Details Vulnerabilities
2 Application PHP PHP 5.2.1 * * * Version Details Vulnerabilities
3 Application PHP PHP 5.2.2 * * * Version Details Vulnerabilities
4 Application PHP PHP 5.2.3 * * * Version Details Vulnerabilities
5 Application PHP PHP 5.2.4 * * * Version Details Vulnerabilities
6 Application PHP PHP 5.2.5 * * * Version Details Vulnerabilities
7 Application PHP PHP 5.2.6 * * * Version Details Vulnerabilities
8 Application PHP PHP 5.2.7 * * * Version Details Vulnerabilities
9 Application PHP PHP 5.2.8 * * * Version Details Vulnerabilities
10 Application PHP PHP 5.2.9 * * * Version Details Vulnerabilities
11 Application PHP PHP 5.2.10 * * * Version Details Vulnerabilities
12 Application PHP PHP 5.2.11 * * * Version Details Vulnerabilities
13 Application PHP PHP 5.2.12 * * * Version Details Vulnerabilities
14 Application PHP PHP 5.2.13 * * * Version Details Vulnerabilities
15 Application PHP PHP 5.2.14 * * * Version Details Vulnerabilities
16 Application PHP PHP 5.2.15 * * * Version Details Vulnerabilities
17 Application PHP PHP 5.2.16 * * * Version Details Vulnerabilities
18 Application PHP PHP 5.3.0 * * * Version Details Vulnerabilities
19 Application PHP PHP 5.3.1 * * * Version Details Vulnerabilities
20 Application PHP PHP 5.3.2 * * * Version Details Vulnerabilities
21 Application PHP PHP 5.3.3 * * * Version Details Vulnerabilities
22 Application PHP PHP 5.3.4 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2010-4645
REDHAT RHSA-2011:0195
VUPEN ADV-2011-0060
MLIST [oss-security] 20110105 possible flaw in widely used strtod.c implementation
SLACKWARE SSA:2011-010-01
REDHAT RHSA-2011:0196
VUPEN ADV-2011-0198
VUPEN ADV-2011-0066
VUPEN ADV-2011-0077
MLIST [oss-security] 20110106 Re: possible flaw in widely used strtod.c implementation
BID 45668 PHP 'zend_strtod()' Function Floating-Point Value Denial of Service Vulnerability Release Date:2012-04-17
MLIST [oss-security] 20110105 Re: possible flaw in widely used strtod.c implementation
HP SSRT100826
XF php-zendstrtod-dos(64470)

- Metasploit Modules Related To CVE-2010-4645

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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