CVEs-PoC/2011/CVE-2011-0420.md

CVE-2011-0420

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.

POC

Reference

• http://securityreason.com/achievement_securityalert/94
• http://securityreason.com/securityalert/8087
• http://www.exploit-db.com/exploits/16182

Github

• https://github.com/mudongliang/LinuxFlaw
• https://github.com/oneoy/cve-