CVE-2011-0420

N/A Unknown

Published: February 19, 2011 Modified: April 29, 2026

Description

The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

Source: cret@cert.org

http://securityreason.com/achievement_securityalert/94

Source: cret@cert.org

Exploit

http://securityreason.com/securityalert/8087

Source: cret@cert.org

http://support.apple.com/kb/HT5002

Source: cret@cert.org

http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449

Source: cret@cert.org

Patch

http://www.debian.org/security/2011/dsa-2266

Source: cret@cert.org

http://www.exploit-db.com/exploits/16182

Source: cret@cert.org

http://www.kb.cert.org/vuls/id/210829

Source: cret@cert.org

US Government Resource

http://www.securityfocus.com/archive/1/516504/100/0/threaded

Source: cret@cert.org

http://www.securityfocus.com/archive/1/516518/100/0/threaded

Source: cret@cert.org

http://www.securityfocus.com/bid/46429

Source: cret@cert.org

Exploit

https://exchange.xforce.ibmcloud.com/vulnerabilities/65437

Source: cret@cert.org

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html