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.
Does this matter?
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.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 29.80% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 4 February 2012
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- php/php
- Source
- secalert@redhat.com
EPSS 29.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
- http://marc.info/?l=bugtraq&m=134012830914727&w=2
- http://openwall.com/lists/oss-security/2012/02/02/12
- http://openwall.com/lists/oss-security/2012/02/03/1
- http://rhn.redhat.com/errata/RHSA-2012-0092.html
- http://secunia.com/advisories/47801
- http://secunia.com/advisories/47806Vendor Advisory
- http://secunia.com/advisories/47813
- http://secunia.com/advisories/48668
- http://securitytracker.com/id?1026631
- http://support.apple.com/kb/HT5281
- http://svn.php.net/viewvc?view=revision&revision=323007
- http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/Exploit
- http://www.debian.org/security/2012/dsa-2403
- http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html
- http://www.osvdb.org/78819
- http://www.php.net/ChangeLog-5.php#5.3.10
- http://www.securityfocus.com/bid/51830Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72911
- https://gist.github.com/1725489Exploit
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
- http://marc.info/?l=bugtraq&m=134012830914727&w=2
- http://openwall.com/lists/oss-security/2012/02/02/12
- http://openwall.com/lists/oss-security/2012/02/03/1
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.