CVE-2009-5023 Information

Description

The (1) dshield.conf (2) mail-buffered.conf (3) mynetwatchman.conf and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names as demonstrated by /tmp/fail2ban-mail.txt.

Reference

http://secunia.com/advisories/58841 http://security.gentoo.org/glsa/glsa-201406-03.xml https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=544232 https://github.com/fail2ban/fail2ban/blob/sdist/0.8.5/ChangeLog