CVE-2009-0362 - CVE House
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Status published Medium CVE-2009-0362

filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

fail2ban
Vulnerable Versions:
0.8.3

Timeline

Official Publish: February 13th, 2009
Last Modified: September 16th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.