PHP-CGI Query String Parameter Vulnerability (CVE-2012-1823)
Severity: critical · Patch status: patched · Since 2022-03-25 · CVE-2012-1823
sapi/cgi/cgimain.c in PHP, when configured as a CGI script, does not properly handle query strings, which allows remote attackers to execute arbitrary code. CISA added CVE-2012-1823 to its Known Exploited Vulnerabilities catalog on Mar 25, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 15, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch