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CVE-2007-2765

6.8 · MEDIUM

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 ser…

Published May 18, 2007ac_zoomEPSS 1.53%

Overview

CVE-2007-2765 is a medium-severity vulnerability affecting ac_zoom blockhosts. It was published on May 18, 2007 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from ac_zoom. Update blockhosts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
ac_zoomblockhosts0Affected

References

Refosvdb.org/36516Refsecunia.com/advisories/25352Refwww.aczoom.com/tools/blockhosts/CHANGESRefwww.securityfocus.com/bid/24090Refwww.vupen.com/english/advisories/2007/1906Refexchange.xforce.ibmcloud.com/vulnerabilities/34426Refosvdb.org/36516Refsecunia.com/advisories/25352Refwww.aczoom.com/tools/blockhosts/CHANGESRefwww.securityfocus.com/bid/24090

How CyberStrike helps

Frequently asked questions

What is CVE-2007-2765?

CVE-2007-2765 is a medium-severity vulnerability affecting ac_zoom blockhosts. It was published on May 18, 2007 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2007-2765?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2007-2765?

Check the references section for vendor advisories and patches from ac_zoom. Update blockhosts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-2765?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-2765 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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