Debian Security Advisory
DSA-2708-1 fail2ban -- denial of service
- Date Reported:
- 16 Jun 2013
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2013-2178.
- More information:
Krzysztof Katowicz-Kowalewski discovered a vulnerability in Fail2ban, a log monitoring and system which can act on attack by preventing hosts to connect to specified services using the local firewall.
When using Fail2ban to monitor Apache logs, improper input validation in log parsing could enable a remote attacker to trigger an IP ban on arbitrary addresses, thus causing a denial of service.
For the oldstable distribution (squeeze), this problem has been fixed in version 0.8.4-3+squeeze2.
For the stable distribution (wheezy), this problem has been fixed in version 0.8.6-3wheezy2.
For the testing distribution (jessie), this problem has been fixed in version 0.8.10-1.
For the unstable distribution (sid), this problem has been fixed in version 0.8.10-1.
We recommend that you upgrade your fail2ban packages.