Vulnerability Details : CVE-2011-0420
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-0420
- cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:*
Threat overview for CVE-2011-0420
Top countries where our scanners detected CVE-2011-0420
Top open port discovered on systems with this issue
80
IPs affected by CVE-2011-0420 1,520
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-0420!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-0420
6.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-0420
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2011-0420
-
http://securityreason.com/securityalert/8087
PHP 5.3.5 grapheme_extract() NULL Pointer Dereference - CXSecurity.com
-
http://www.exploit-db.com/exploits/16182
PHP 5.3.5 - 'grapheme_extract()' Null Pointer Dereference - Linux dos Exploit
-
http://www.securityfocus.com/bid/46429
PHP 'grapheme_extract()' NULL Pointer Dereference Denial Of Service VulnerabilityExploit
-
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
Apple - Lists.apple.com
-
http://www.kb.cert.org/vuls/id/210829
CERT Vulnerability Notes DatabaseUS Government Resource
-
http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449
PHP: Diff of /php/php-src/trunk/ext/intl/grapheme/grapheme_string.cPatch
-
http://www.securityfocus.com/archive/1/516504/100/0/threaded
SecurityFocus
-
http://www.securityfocus.com/archive/1/516518/100/0/threaded
SecurityFocus
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/65437
PHP grapheme_extract() denial of service CVE-2011-0420 Vulnerability Report
-
http://www.debian.org/security/2011/dsa-2266
Debian -- Security Information -- DSA-2266-1 php5
-
http://securityreason.com/achievement_securityalert/94
PHP 5.3.5 grapheme_extract() NULL Pointer Dereference - CXSecurity.comExploit
-
http://support.apple.com/kb/HT5002
About the security content of OS X Lion v10.7.2 and Security Update 2011-006 - Apple Support
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