Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 5.3.5 |
References
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://securityreason.com/achievement_securityalert/94Exploit
- http://securityreason.com/securityalert/8087
- http://support.apple.com/kb/HT5002
- http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?Patch
- http://www.debian.org/security/2011/dsa-2266
- http://www.exploit-db.com/exploits/16182
- http://www.kb.cert.org/vuls/id/210829US Government Resource
- http://www.securityfocus.com/archive/1/516504/100/0/threaded
- http://www.securityfocus.com/archive/1/516518/100/0/threaded
- http://www.securityfocus.com/bid/46429Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65437
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://securityreason.com/achievement_securityalert/94Exploit
- http://securityreason.com/securityalert/8087
FAQ
What is CVE-2011-0420?
CVE-2011-0420 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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, w...
How severe is CVE-2011-0420?
CVE-2011-0420 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-0420?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.