CVE-2012-1823: PHP-CGI Query String Parameter Vulnerability

CVE-2012-1823 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25

PHP-CGI (sapi/cgi/cgi_main.c) fails to properly handle query strings lacking an equals sign, allowing remote attackers to pass command-line options to the PHP interpreter. This flaw can be leveraged to execute arbitrary code on the host system.

Technologies: PHP Group PHP. Vendors: PHP Group.

Quick answers

Is CVE-2012-1823 exploited in the wild?
Yes. CVE-2012-1823 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.
How severe is CVE-2012-1823?
Critical severity, with a CVSS score of 9.8, published 25 March 2022.
Which products and versions are affected?
PHP Group PHP before 5.3.12, 5.4.x before 5.4.2.
Is there a fix for CVE-2012-1823?
A patch was published on 2012-05-03: PHP 5.4.2 released with fix. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2012-1823 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2012-1823?
Check whether you run PHP Group PHP. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • PHP Group PHP before 5.3.12, 5.4.x before 5.4.2

Timeline

  • 2012-05-03: patched: PHP 5.4.2 released with fix.
  • 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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