CVE-2013-2178 Denial of service in n/a
Remote attackers can block arbitrary IP addresses by sending crafted log messages, causing denial of service for legitimate users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2178?
CVE-2013-2178 is a medium-severity denial of service vulnerability in n/a, published on 28 Aug 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.
Weakness: CWE-20
Which versions are affected by CVE-2013-2178?
It affects 1 product.
Products include Fail2ban Fail2ban.
How do I fix CVE-2013-2178?
Upgrade to a fixed version.
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-2013-2178 being exploited?
There is no known exploitation of CVE-2013-2178 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-2178, DSA-2708-1, GHSA-4339-77hj-xqhj, MGASA-2013-0192.