CVE-2009-0362

CVSS V2 Medium 4 CVSS V3 None

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.

Overview

CVE ID
CVE-2009-0362

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2009-02-13T01:30:00

Last Modified Date
2009-02-13T05:00:00

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:fail2ban:fail2ban:0.8.3:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4

Severity
MEDIUM

Exploitability Score
8

Impact Score
2.9

References

Reference URL	Reference Tags
http://www.securityfocus.com/bid/33734
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163	Exploit
http://secunia.com/advisories/33890	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2009-0362
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0362

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 11:16:30				Added to TrackCVE