CVE-2011-0420

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.

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

14.41% chance of exploitation in the next 30 days, 97th percentile

Published

2011-02-18

Updated

2024-08-06

Proof-of-concept exploits (1)

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

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/35354
• https://www.exploit-db.com/exploits/16182

Security advisories

• http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449…
• http://www.kb.cert.org/vuls/id/210829
• http://www.securityfocus.com/bid/46429

References

• CVE Record
• NVD entry