CVE-2012-0830 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 29.8% (pctl 98)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 29.8% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-399 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-02-06 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| php | php |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | PHP 5.4.0RC6 (x64) - Denial of Service | 2012-02-04 |
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
→ the Explorer · watch your stack · NVD