PT-2007-4079 · Blockhost · Blockhost

Published 2007-05-18 · Updated 2017-07-29 · CVE-2007-2765

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions BlockHosts versions prior to 2.0.3

Description The issue allows remote attackers to cause a denial of service by adding arbitrary IP addresses to a daemon log file. This is achieved by logging in through ssh using a login name containing certain strings with an IP address, which is not properly handled by a regular expression in the blockhosts.py script.

Recommendations For versions prior to 2.0.3, update to version 2.0.3 or later to resolve the issue.

Fix

Related Identifiers

CVE-2007-2765

Affected Products

Blockhost

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2007-2765 · Security Note
• http://osvdb.org/36516 · Note
• http://vupen.com/english/advisories/2007/1906 · Note
• http://securityfocus.com/bid/24090 · Note
• http://aczoom.com/tools/blockhosts/CHANGES · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/34426 · Note
• http://secunia.com/advisories/25352 · Note