This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200804-22
(PowerDNS Recursor: DNS Cache Poisoning)
Amit Klein of Trusteer reported that insufficient randomness is used to
calculate the TRXID values and the UDP source port numbers
(CVE-2008-1637). Thomas Biege of SUSE pointed out that a prior fix to
resolve this issue was incomplete, as it did not always enable the
stronger random number generator for source port selection
A remote attacker could send malicious answers to insert arbitrary DNS
data into the cache. These attacks would in turn help an attacker to
perform man-in-the-middle and site impersonation attacks.
There is no known workaround at this time.
See also :
All PowerDNS Recursor users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-dns/pdns-recursor-3.1.6'
Risk factor :
Medium / CVSS Base Score : 6.8