VulnerabilityModified
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.
MEDIUM 5.0EPSS 14.4%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 14.41% probability · 96th percentile
- CISA KEV
- Not listed
- Affected
- php/php
- Source
- cret@cert.org
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?r1=306449&r2=306448&pathrev=306449Patch
- 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
- http://support.apple.com/kb/HT5002
- http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449Patch
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.