Description
Thibault Godouet FCron prior to 1.1.1 allows a local user to corrupt another user's crontab file via a symlink attack on the fcrontab temporary file.
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Thibault Godouet FCron 1 - Symbolic Link EDB-20905 · local · Jun 7, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- fcron-tmpfile-symlink(7127) vdb-entry
- http://fcron.free.fr/CHANGES.html
- 2835 vdb-entry
- 20010228 fcron 0.9.5 is vulnerable to a symlink attack mailing-list