Vulnerability Details : CVE-2009-0362
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2009-0362
- cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-0362
0.59%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-0362
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
CWE ids for CVE-2009-0362
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-0362
-
http://secunia.com/advisories/33890
About Secunia Research | FlexeraVendor Advisory
-
http://www.securityfocus.com/bid/33734
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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163
#514163 - fail2ban: allows DoS via construction of domain names starting with IP of a victim - Debian Bug report logsExploit
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