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Vulnerability Details : 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.
Publish Date : 2012-02-06 Last Update Date : 2018-01-08
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat critical
AV:N/AC:L/Au:N/C:P/I:P/A:P 2012-02-02 2012-02-02
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-0092 -- php53 security update (critical) oval:org.mitre.oval:def:27592 unix
DEPRECATED: ELSA-2012:0093: php security update (Critical) oval:org.mitre.oval:def:23309 unix
DSA-2403-1 php5 -- code injection oval:org.mitre.oval:def:15306 unix
DSA-2403-2 php5 -- code injection oval:org.mitre.oval:def:15412 unix
ELSA-2012:0092: php53 security update (Critical) oval:org.mitre.oval:def:23189 unix
ELSA-2012:0093: php security update (Critical) oval:org.mitre.oval:def:23590 unix
HP-UX Apache Web Server running PHP, Remote Execution of Arbitrary Code, Privilege Elevation, Denial of Service (DoS) oval:org.mitre.oval:def:19710 unix
RHSA-2012:0092: php53 security update (Critical) oval:com.redhat.rhsa:def:20120092 unix
RHSA-2012:0092: php53 security update (Critical) oval:org.mitre.oval:def:20868 unix
RHSA-2012:0093: php security update (Critical) oval:org.mitre.oval:def:21314 unix
RHSA-2012:0093: php security update (Critical) oval:com.redhat.rhsa:def:20120093 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-0830

# Product Type Vendor Product Version Update Edition Language
1 Application PHP PHP 5.3.9 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2012-0830
MLIST [oss-security] 20120203 Re: PHP remote code execution introduced via HashDoS fix
REDHAT RHSA-2012:0092
BID 51830 PHP 'php_register_variable_ex()' Function Arbitrary Code Execution Vulnerability Release Date:2013-08-19
XF php-phpregistervariableex-code-exec(72911)
HP SSRT100877
APPLE APPLE-SA-2012-05-09-1
MLIST [oss-security] 20120202 PHP remote code execution introduced via HashDoS fix
SUSE openSUSE-SU-2012:0426

- Metasploit Modules Related To CVE-2012-0830

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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