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.
References (4)
Core 4
Core References
Issue Tracking x_refsource_confirm
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=544232
Various Sources x_refsource_confirm
https://github.com/fail2ban/fail2ban/blob/sdist/0.8.5/ChangeLog
Third Party Advisory vendor-advisory
x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201406-03.xml
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/58841
Scores
EPSS
0.0005
EPSS Percentile
14.8%
Details
CWE
CWE-59
Status
published
Products (30)
fail2ban/fail2ban
0.1.0
fail2ban/fail2ban
0.1.1
fail2ban/fail2ban
0.1.2
fail2ban/fail2ban
0.3.0
fail2ban/fail2ban
0.3.1
fail2ban/fail2ban
0.4.0
fail2ban/fail2ban
0.4.1
fail2ban/fail2ban
0.5.0
fail2ban/fail2ban
0.5.1
fail2ban/fail2ban
0.5.2
... and 20 more
Published
Jun 10, 2014
Tracked Since
Feb 18, 2026