CVE-2010-4645

Public Exploit

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 19.99% Top 5%
Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory slackware.com Vendor Advisory ubuntu.com Vendor Advisory apple.com Vendor Advisory fedoraproject.org Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/0077 vdb entry
http://www.securityfocus.com/bid/45668 vdb entry exploit
http://marc.info/?l=bugtraq&m=133226187115472&w=2 vendor advisory
http://secunia.com/advisories/42812 third party advisory
http://marc.info/?l=bugtraq&m=133469208622507&w=2 vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-0196.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html vendor advisory
http://www.openwall.com/lists/oss-security/2011/01/05/8 mailing list
http://www.redhat.com/support/errata/RHSA-2011-0195.html vendor advisory
http://bugs.php.net/53632 exploit
http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
http://www.vupen.com/english/advisories/2011/0198 vdb entry
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686 vendor advisory
http://www.vupen.com/english/advisories/2011/0066 vdb entry
http://www.ubuntu.com/usn/USN-1042-1 vendor advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053333.html vendor advisory
http://secunia.com/advisories/42843 third party advisory
http://www.vupen.com/english/advisories/2011/0060 vdb entry vendor advisory
http://support.apple.com/kb/HT5002
https://exchange.xforce.ibmcloud.com/vulnerabilities/64470 vdb entry
http://secunia.com/advisories/43189 third party advisory
http://secunia.com/advisories/43051 third party advisory
http://www.openwall.com/lists/oss-security/2011/01/05/2 mailing list exploit patch
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/Zend/zend_strtod.c?r1=266327&r2=307095&pathrev=307095 patch
http://www.openwall.com/lists/oss-security/2011/01/06/5 mailing list
http://www.openwall.com/lists/oss-security/2023/05/14/3

Frequently Asked Questions

What is the severity of CVE-2010-4645?
CVE-2010-4645 has been scored as a medium severity vulnerability.
How to fix CVE-2010-4645?
To fix CVE-2010-4645, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-4645 being actively exploited in the wild?
It is possible that CVE-2010-4645 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~20% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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