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Unrated severityNVD Advisory· Published May 18, 2007· Updated Jun 16, 2026

CVE-2007-2765

CVE-2007-2765

Description

blockhosts.py in BlockHosts before 2.0.3 does not properly parse daemon 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 logging in through ssh using a login name containing certain strings with an IP address, which is not properly handled by a regular expression, a related issue to CVE-2006-6301.

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Affected products

2
  • Ac Zoom/Blockhosts2 versions
    cpe:2.3:a:ac_zoom:blockhosts:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:ac_zoom:blockhosts:*:*:*:*:*:*:*:*range: <=2.0.2
    • (no CPE)range: <2.0.3

Patches

Vulnerability mechanics

References

6

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