| Name | CVE-2006-6302 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| fail2ban (PTS) | bullseye | 0.11.2-2 | fixed |
| bookworm | 1.0.2-2 | fixed |
| forky, sid, trixie | 1.1.0-8 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| fail2ban | source | (unstable) | (not affected) | | | |
Notes
- fail2ban <not-affected> (looks fixed in 0.6, see #401793)