CVE-2017-20258 Joomla! CVE debrief

Who should care

Administrators and security teams responsible for Joomla! installations, particularly those using Component RPC Responsive Portfolio 1.6.1, should prioritize patching or mitigating this vulnerability. Developers and security researchers interested in SQL injection vulnerabilities and Joomla! component security should also take note.

Technical summary

CVE-2017-20258 is an SQL injection vulnerability in Joomla! Component RPC Responsive Portfolio 1.6.1. The vulnerability allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter in GET requests to index.php with option=com_pofos&view=pofo&id=[SQL]. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X, indicating a high severity score of 8.8.

Defensive priority

High priority due to high CVSS score and potential for sensitive data extraction

Recommended defensive actions

• Apply official patches or updates for Joomla! Component RPC Responsive Portfolio
• Review and restrict access to index.php with option=com_pofos&view=pofo&id=[SQL]
• Implement input validation and sanitization for user-supplied parameters
• Monitor for suspicious SQL queries and database activity
• Consider using a web application firewall (WAF) to detect and prevent SQL injection attacks

Evidence notes

The primary evidence for this vulnerability comes from the NVD and CVE.org records. The affected product is Joomla! Component RPC Responsive Portfolio 1.6.1. Defenders should verify the version and scope of the vulnerability from official sources. The CVE and NVD entries provide additional context and references for further investigation.

Official resources