GLSA-201406-23 : DenyHosts: Denial of Service

This script is Copyright (C) 2014-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The 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.

Impact :

A remote attacker could possibly cause a Denial of Service condition via
a crafted login name.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All DenyHost users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-admin/denyhosts-2.6-r9'

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 76225 ()

Bugtraq ID: 64478

CVE ID: CVE-2013-6890

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