Explain CVE-2012-0830
The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote attackers to execute arbitrary code via a request containing a large number of variables, related to improper handling of array variables.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-4885.
Affected Products: n/a
References: [{'name': 'SSRT100856', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=134012830914727&w=2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://svn.php.net/viewvc?view=revision&revision=323007'}, {'name': 'HPSBMU02786', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041'}, {'tags': ['x_refsource_MISC'], 'url': 'http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/'}, {'name': '51830', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/51830'}, {'name': 'RHSA-2012:0092', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2012-0092.html'}, {'name': 'SUSE-SU-2012:0411', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html'}, {'name': '78819', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://www.osvdb.org/78819'}, {'name': '47806', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/47806'}, {'name': 'openSUSE-SU-2012:0426', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html'}, {'name': 'DSA-2403', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2012/dsa-2403'}, {'name': 'php-phpregistervariableex-code-exec(72911)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/72911'}, {'name': '48668', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/48668'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.php.net/ChangeLog-5.php#5.3.10'}, {'name': '47801', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/47801'}, {'name': '[oss-security] 20120202 PHP remote code execution introduced via HashDoS fix', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2012/02/02/12'}, {'name': '[oss-security] 20120203 Re: PHP remote code execution introduced via HashDoS fix', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2012/02/03/1'}, {'name': 'SSRT100877', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041'}, {'name': '1026631', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://securitytracker.com/id?1026631'}, {'name': 'HPSBUX02791', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=134012830914727&w=2'}, {'tags': ['x_refsource_MISC'], 'url': 'http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://support.apple.com/kb/HT5281'}, {'tags': ['x_refsource_MISC'], 'url': 'https://gist.github.com/1725489'}, {'name': 'APPLE-SA-2012-05-09-1', 'tags': ['vendor-advisory', 'x_refsource_APPLE'], 'url': 'http://lists.apple.com/archives/security-announce/2012/May/msg00001.html'}, {'name': '47813', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/47813'}]
CVE State: PUBLISHED