CVE-2009-4024: Argument injection vulnerability in the ping function in Ping.php in the Net_Ping package before 2.4.5 for...

Security readout for executives and security teams

CVE-2009-4024 affects the PEAR Net_Ping PHP package before 2.4.5. If an application passes attacker-controlled input into Net_Ping’s host parameter, an attacker may execute shell commands on the server. This is serious where Net_Ping is exposed through web forms, APIs, or monitoring features. Exposure is most likely in PHP applications using PEAR Net_Ping before 2.4.5 and accepting user-controlled host values. Internet-facing diagnostics, uptime checks, or admin tools that call Net_Ping are higher risk. Systems not using Net_Ping or not passing untrusted input are unlikely to be affected. Prioritize remediation for internet-facing PHP applications or administrative portals using Net_Ping. The business risk is server command execution, which can lead to system compromise. If Net_Ping is not deployed or not reachable through untrusted input, urgency is lower but inventory should still confirm exposure. Mitigation focus: Upgrade PEAR Net_Ping to version 2.4.5 or later.; Apply relevant Fedora or Debian security updates where packaged by the OS.; Find application code that passes user input into Net_Ping host parameters..

Prepared

Jun 28, 2026, 13:11 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.