CVE-2009-5023
EPSS 0.04%
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.
How to fix CVE-2009-5023
To remediate CVE-2009-5023, upgrade the affected package to a fixed version below.
- Debian/fail2ban—upgrade to 0.8.4+svn20110323-1 or later
Is CVE-2009-5023 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.8.4+svn20110323-1