National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-4322 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.aczoom.com/tools/blockhosts/CHANGES
http://www.ossec.net/en/attacking-loganalysis.html

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ac_zoom:blockhosts:2.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-4322
NVD Published Date:
08/13/2007
NVD Last Modified:
10/30/2012