CVE-2007-4322

Description

BlockHosts before 2.0.4 does not properly parse (1) sshd and (2) vsftpd log files, which allows remote attackers to add arbitrary deny entries to the /etc/hosts.allow file and cause a denial of service by adding arbitrary IP addresses to a daemon log file, as demonstrated by connecting through ssh with a client protocol version identification containing an IP address string, or connecting through ftp with a username containing an IP address string, different vectors than CVE-2007-2765.

6.8

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.48%

Affected: n/a n/a

References

Link	Tags
http://www.aczoom.com/tools/blockhosts/CHANGES
http://www.ossec.net/en/attacking-loganalysis.html
http://osvdb.org/36515	vdb entry

Frequently Asked Questions

What is the severity of CVE-2007-4322?: CVE-2007-4322 has been scored as a medium severity vulnerability.
How to fix CVE-2007-4322?: To fix CVE-2007-4322, 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-2007-4322 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2007-4322 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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