CVE-2011-0420
MEDIUM severity · CVSS 5
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)14%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449 ↗
Additional information
- NVD record
- http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449Patch
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://securityreason.com/securityalert/8087
- http://support.apple.com/kb/HT5002
- http://www.debian.org/security/2011/dsa-2266
- http://www.exploit-db.com/exploits/16182
- http://www.kb.cert.org/vuls/id/210829
- http://securityreason.com/achievement_securityalert/94Exploit