PRIOn knowledge basePRION:CVE-2011-0420Null pointer dereference
6.8 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.021 Low
EPSS
Percentile
89.0%
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.
References
lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
securityreason.com/achievement_securityalert/94
securityreason.com/securityalert/8087
support.apple.com/kb/HT5002
svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449
www.debian.org/security/2011/dsa-2266
www.kb.cert.org/vuls/id/210829
www.securityfocus.com/archive/1/516504/100/0/threaded
www.securityfocus.com/archive/1/516518/100/0/threaded
www.securityfocus.com/bid/46429
exchange.xforce.ibmcloud.com/vulnerabilities/65437
www.exploit-db.com/exploits/16182
Related
6.8 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.021 Low
EPSS
Percentile
89.0%