Web Server PhpWiki Ploticus Command Injection

The Ploticus module in PhpWiki versions 1.5.0– 1.5.1 allows remote attackers to execute arbitrary code via command injection.

Exploitation

Stages

1. The attacker sends an HTTP POST request with injected command to the vulnerable PhpWiki.
2. The server replies with an HTTP 200 OK and command response embedded within the return HTML.

Prerequisites

The attacker can exploit PhpWiki directly and without authentication.

Alert Logic Coverage

Alert Logic® has evaluated its customer base for exposure to the exploit and has developed signatures for mitigating the threat depending on the security service in place.

The Network-Based Intrusion Detection System (IDS) has been updated with the new signatures for this exploit when detected via Alert Logic Threat Manager™. If this signature is detected, an incident is generated in the Alert Logic console.

Recommendations for Mitigation

Upgrade to a non-vulnerable version to mitigate this vulnerability.