CVE-2017-20275

Joomla · PHP-Bridge

An unauthenticated remote code execution vulnerability exists in the Joomla PHP-Bridge component due to improper input validation.

Executive summary

The Joomla PHP-Bridge component contains a high-severity vulnerability that could allow an unauthenticated attacker to compromise the host system.

Vulnerability

This vulnerability involves an improper security implementation in the PHP-Bridge component, likely allowing for unauthorized remote execution of code. The flaw is accessible to unauthenticated attackers interacting with the component.

Business impact

With a CVSS score of 8.2, this vulnerability represents a significant threat to organizational data and infrastructure. An exploit could lead to full administrative control of the Joomla instance, resulting in data exfiltration, site defacement, or total system compromise.

Remediation

Immediate Action: Identify and remove or update the vulnerable PHP-Bridge component immediately if a vendor-supplied patch is available.

Proactive Monitoring: Review web access logs for suspicious query patterns or unexpected file uploads that deviate from normal site traffic.

Compensating Controls: Deploy a Web Application Firewall (WAF) with updated rulesets to filter malicious requests targeting known PHP-Bridge vulnerabilities.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Due to the high severity of this remote code execution flaw, immediate remediation is required. If the PHP-Bridge component is not essential for business operations, it should be removed entirely to eliminate the risk surface.