Vulnerability in PHP

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.

Published · last modified .

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.298 (98.1th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2012-0830: held from 0.301 to 0.298.

EPSS over last 30 days · oldest: 0.301 · newest: 0.298 · change: -0.003

Affected products

  • PHP — versions 5.3.9

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2012-0830?
CVE-2012-0830 is a vulnerability in PHP, classified under CWE-399. Published 2012-02-06.
Is CVE-2012-0830 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.