CVE-2012-0830

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 40.54% Top 5%
Vendor Advisory marc.info Vendor Advisory hp.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=bugtraq&m=134012830914727&w=2 vendor advisory
http://svn.php.net/viewvc?view=revision&revision=323007
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor advisory
http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/ exploit
http://www.securityfocus.com/bid/51830 vdb entry exploit
http://rhn.redhat.com/errata/RHSA-2012-0092.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html vendor advisory
http://www.osvdb.org/78819 vdb entry
http://secunia.com/advisories/47806 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html vendor advisory
http://www.debian.org/security/2012/dsa-2403 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72911 vdb entry
http://secunia.com/advisories/48668 third party advisory
http://www.php.net/ChangeLog-5.php#5.3.10
http://secunia.com/advisories/47801 third party advisory
http://openwall.com/lists/oss-security/2012/02/02/12 mailing list
http://openwall.com/lists/oss-security/2012/02/03/1 mailing list
http://securitytracker.com/id?1026631 vdb entry
http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html
http://support.apple.com/kb/HT5281
https://gist.github.com/1725489 exploit
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html vendor advisory
http://secunia.com/advisories/47813 third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-0830?
CVE-2012-0830 has been scored as a high severity vulnerability.
How to fix CVE-2012-0830?
To fix CVE-2012-0830, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0830 being actively exploited in the wild?
It is possible that CVE-2012-0830 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~41% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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