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,…
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EPSS puts the probability of exploitation in the next 30 days at 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 15.10% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- php/php
- Source
- secalert@redhat.com
References
- http://bugs.php.net/53632Exploit
- 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=307095Patch
- http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
- http://www.openwall.com/lists/oss-security/2011/01/05/2Exploit, Patch
- 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/45668Exploit
- http://www.ubuntu.com/usn/USN-1042-1
- http://www.vupen.com/english/advisories/2011/0060Vendor Advisory
- 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/53632Exploit
- http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.