CVE-2016-20087 Networkdls CVE debrief

Who should care

System administrators and security teams responsible for Fortitude HTTP installations, especially in environments where local access is a concern, should prioritize addressing this vulnerability. This includes reviewing system configurations, ensuring proper patching, and implementing compensating controls to limit the risk of arbitrary code execution with elevated privileges.

Technical summary

The vulnerability exists due to an unquoted service path in Fortitude HTTP 1.0.4.0. This allows an attacker to place malicious executables in the system root path, which will be executed with SYSTEM privileges during service startup or system reboot. The CVSS vector for this vulnerability is CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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 Local attack vector with Low attack complexity and High impact on confidentiality, integrity, and availability.

Defensive priority

High priority due to potential for local privilege escalation

Recommended defensive actions

• Review and update Fortitude HTTP installations to ensure the service path is properly quoted.
• Implement compensating controls to restrict local access to sensitive system areas.
• Monitor system logs for suspicious activity related to service startup or system reboots.
• Verify system root paths for any unauthorized or malicious executables.
• Apply vendor-supported remediation or patches as available.

Evidence notes

The primary evidence for this vulnerability comes from the CVE record and NVD detail pages. The affected product is Fortitude HTTP version 1.0.4.0. Evidence limits are based on publicly available information and may not reflect the full scope of the vulnerability. Defenders should verify the official CVE record and vendor advisories for the most accurate and up-to-date information.

Official resources