CVE-2009-0362
EPSS 0.59%
Description
filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321.
How to fix CVE-2009-0362
To remediate CVE-2009-0362, upgrade the affected package to a fixed version below.
- Debian/fail2ban—upgrade to 0.8.3-2sid1 or later
Is CVE-2009-0362 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.8.3-2sid1