GLSA-201406-23 : DenyHosts: Denial of Service
Medium Nessus Plugin ID 76225
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-201406-23 (DenyHosts: Denial of Service)
DenyHosts does not properly define the regular expressions used when parsing SSH authentication logs.
A remote attacker could possibly cause a Denial of Service condition via a crafted login name.
There is no known workaround at this time.
SolutionAll DenyHost users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-admin/denyhosts-2.6-r9'