{"id":"CVE-2012-0830","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-0830","generatedAt":"2026-10-27T22:04:19.171Z","title":"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.","description":"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.","published":"2012-02-06T20:55:03.000Z","lastModified":"2026-06-16T23:38:21.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-399"],"affected":["php/php"],"epss":{"score":0.29803,"percentile":0.98187,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2012-02-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":18460,"kind":"exploit","title":"PHP 5.4.0RC6 (x64) - Denial of Service","url":"https://www.exploit-db.com/exploits/18460","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/dos/18460.php","file":"exploits/php/dos/18460.php","published":"2012-02-04","added":"2012-02-04","updated":"2017-04-25","author":"Stefan Esser","type":"dos","platform":"php","port":null,"verified":true,"codes":["OSVDB-78819","CVE-2012-0830"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 29.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=134012830914727&w=2","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2012/02/02/12","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2012/02/03/1","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0092.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/47801","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/47806","tags":["Vendor 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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}