ProFTPD through 1.3.9e and 1.3.10rc4 mod_copy Symlink Following Write Bypass
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.3.10rc5
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
ProFTPD, an FTP server software, is affected by this vulnerability in its mod_copy module. An authenticated FTP user could exploit the flaw to write or overwrite files in directories where writing should be restricted, bypassing the server's access controls.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
ProFTPD through 1.3.9e and 1.3.10rc1 through 1.3.10rc4 contains a link-following vulnerability in mod_copy that allows authenticated FTP users to bypass Limit WRITE restrictions via symlinks. Attackers can place a symlink in a writable directory and use SITE COPY or SITE CPTO to overwrite files in write-denied locations.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- ProFTPD Project ProFTPD
through 1.3.9e; From 1.3.10rc1 · fixed in 1.3.10rc5