filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote malicious users 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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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fail2ban fail2ban 0.8.3 |