Resource management error in PHP - CVE-2012-0830
Published: February 6, 2012 / Updated: August 4, 2020
Vulnerability identifier: #VU33324
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-0830
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
Affected software
PHP
Amazon Linux AMI
Gentoo Linux
Slackware Linux
php (Alpine package)
HP-UX Web Server Suite
Amazon Linux AMI
Gentoo Linux
Slackware Linux
php (Alpine package)
HP-UX Web Server Suite
How to mitigate CVE-2012-0830
Install update from vendor's website.
PHP - update to 5.3.10
php (Alpine package) - update to 5.3.10-r0
HP-UX Web Server Suite - addressed in versions 2.36, 3.24
php (Alpine package) - update to 5.3.10-r0
HP-UX Web Server Suite - addressed in versions 2.36, 3.24
Links to Public Exploits and PoC-codes
External 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/47806
- 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/
- 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/51830
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72911
- https://gist.github.com/1725489