CVE-2009-0362

Public Exploit

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.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.59%
Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/33890 third party advisory vendor advisory
http://www.securityfocus.com/bid/33734 vdb entry
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163 exploit

Frequently Asked Questions

What is the severity of CVE-2009-0362?
CVE-2009-0362 has been scored as a medium severity vulnerability.
How to fix CVE-2009-0362?
To fix CVE-2009-0362, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-0362 being actively exploited in the wild?
It is possible that CVE-2009-0362 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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