CVE-2009-0362

Medium

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.

SeverityMedium
CVSS4.0
Exploit probability—
ProductFail2ban
PublishedFeb 13, 2009
First seenFeb 13, 2009

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
fail2ban fail2ban0.8.3—

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