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CVE-2011-0420

Date: February 18, 2011

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.

Language: C

Severity Score

3.7

Related Resources (15)

Url: http://securityreason.com/achievement_securityalert/94

Url: http://www.securityfocus.com/archive/1/516504/100/0/threaded

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

Url: http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

Url: http://www.securityfocus.com/bid/46429

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/65437

Url: http://support.apple.com/kb/HT5002

Url: http://www.debian.org/security/2011/dsa-2266

Url: http://www.kb.cert.org/vuls/id/210829

Url: http://www.securityfocus.com/archive/1/516518/100/0/threaded

Url: https://nvd.nist.gov/vuln/detail/CVE-2011-0420

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2011-0420

Url: http://securityreason.com/securityalert/8087

Url: http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449

Url: https://www.mend.io/vulnerability-database/CVE-2011-0420

Severity Score

3.7

CVSS v3.1

Base Score:	3.7
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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