CVE-2006-6302 Denial of service in n/a
Remote attackers can cause denial of service by injecting arbitrary IP addresses into sshd logs, which fail2ban incorrectly parses into hosts.deny.
- 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-2006-6302?
CVE-2006-6302 is a medium-severity denial of service vulnerability in n/a, published on 6 Dec 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name containing certain strings with an IP address.
Which versions are affected by CVE-2006-6302?
It affects 1 product.
Products include Fail2ban Fail2ban.
How do I fix CVE-2006-6302?
No fix has been published for CVE-2006-6302 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-2006-6302 being exploited?
There is no known exploitation of CVE-2006-6302 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j744-4wh9-3vxg.