Description
ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- ProFTPd 1.2.10 - Remote Users Enumeration EDB-581 · remote · Oct 17, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- ProFTPD 1.2.x - Username Enumeration via Timing Attack network/cves/2004/CVE-2004-1602.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- 1011687 vdb-entry
- http://security.lss.hr/index.php?page=details&ID=LSS-2004-10-02
- 11430 vdb-entry
- proftpd-info-disclosure(17724) vdb-entry
- 20041015 ProFTPD 1.2.x remote users enumeration bug mailing-list