Description
ProFTPD 1.3.1 interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | proftpd-dfsg | 1.3.1-15 | — |
| Debian 13 | proftpd-dfsg | 1.3.1-15 | — |
| Debian 12 | proftpd-dfsg | 1.3.1-15 | — |
| Debian 4.0 | proftpd-dfsg | 1.3.0-19etch2 | DSA-1689-1 |
Advisories 1
- DSA-1689-1 proftpd-dfsg - Cross-Site Request Forgery Debian Security (DSA / DLA) · Mar 9, 2026
References
- 31289 vdb-entry
- 20080926 multiple vendor ftpd - Cross-site request forgery third-party-advisory
- MDVSA-2009:061 vendor-advisory
- 1020945 vdb-entry
- 31930 third-party-advisory
- FEDORA-2009-0195 vendor-advisory
- 33261 third-party-advisory
- 33413 third-party-advisory
- 4313 third-party-advisory
- FEDORA-2009-0064 vendor-advisory
- DSA-1689 vendor-advisory
- proftpd-url-csrf(45274) vdb-entry
- http://bugs.proftpd.org/show_bug.cgi?id=3115