GLSA-201406-03 : Fail2ban: Multiple vulnerabilities
Medium Nessus Plugin ID 74260
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-201406-03 (Fail2ban: Multiple vulnerabilities)
Multiple vulnerabilities have been discovered in Fail2ban. Please review the CVE identifiers referenced below for details.
A remote attacker could send a crafted URL to a website which, when parsed by Fail2ban, would deny a specific IP address. Also, errors in regular expressions within certain filters can cause arbitrary IP addresses to be banned. Furthermore, a local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application.
There is no known workaround at this time.
SolutionAll Fail2ban users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-analyzer/fail2ban-0.8.12