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Last updated: 8/22/2014 3:57:45 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2012-0830

Original release date: 02/06/2012
Last revised: 07/21/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: HP
Name: HPSBMU02786
External Source: DEBIAN
Name: DSA-2403
External Source: HP
Name: SSRT100877
External Source: SUSE
Name: openSUSE-SU-2012:0426
External Source: HP
Name: HPSBUX02791
External Source: MLIST
Name: [oss-security] 20120203 Re: PHP remote code execution introduced via HashDoS fix
External Source: REDHAT
Name: RHSA-2012:0092
External Source: XF
Name: php-phpregistervariableex-code-exec(72911)
External Source: SECUNIA
Name: 47813
External Source: MISC
Name: https://gist.github.com/1725489
External Source: APPLE
Name: APPLE-SA-2012-05-09-1
External Source: MISC
Name: http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/
External Source: BID
Name: 51830
External Source: SECTRACK
Name: 1026631
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5281
External Source: HP
Name: SSRT100856
External Source: MLIST
Name: [oss-security] 20120202 PHP remote code execution introduced via HashDoS fix
External Source: CONFIRM
Name: http://svn.php.net/viewvc?view=revision&revision=323007
External Source: SECUNIA
Name: 47806
Type: Advisory
External Source: OSVDB
Name: 78819
External Source: MISC
Name: http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html
External Source: SECUNIA
Name: 47801
External Source: SECUNIA
Name: 48668
External Source: CONFIRM
Name: http://www.php.net/ChangeLog-5.php#5.3.10

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Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)