What it is
ProFTPD contains an improper access control vulnerability that could allow remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.
What to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Vendor notices and references
- lists.debian.org/debian-security-announce/2015/msg00154.html
- lists.opensuse.org/archives/list/[email protected]/message/WE6YZRG5UVXMGQ7IVDRYBP
- nvd.nist.gov/vuln/detail/CVE-2015-3306
Description and required action as published by CISA. Full record at NVD.