CVE-2007-2765 Denial of service in n/a
Remote attackers can cause denial of service by injecting arbitrary IP addresses into daemon logs, which BlockHosts incorrectly parses into the hosts.allow file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2007-2765?
CVE-2007-2765 is a medium-severity denial of service vulnerability in n/a, published on 18 May 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2007-2765?
It affects 1 product.
Products include Ac Zoom Blockhosts.
How do I fix CVE-2007-2765?
No fix has been published for CVE-2007-2765 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2007-2765 being exploited?
There is no known exploitation of CVE-2007-2765 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rjp4-hv4f-vvf6.