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.

6.8

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.26% Top 25%

Third-Party Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/24090	vdb entry
http://www.vupen.com/english/advisories/2007/1906	vdb entry
http://osvdb.org/36516	vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/34426	vdb entry
http://www.aczoom.com/tools/blockhosts/CHANGES
http://secunia.com/advisories/25352	third party advisory

Frequently Asked Questions

What is the severity of CVE-2007-2765?: CVE-2007-2765 has been scored as a medium severity vulnerability.
How to fix CVE-2007-2765?: To fix CVE-2007-2765, 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-2007-2765 being actively exploited in the wild?: It is possible that CVE-2007-2765 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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