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This script is Copyright (C) 2013 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
A buffer overflow flaw was found in Openswan. If Opportunistic
Encryption were enabled ('oe=yes' in '/etc/ipsec.conf') and an RSA key
configured, an attacker able to cause a system to perform a DNS lookup
for an attacker- controlled domain containing malicious records (such
as by sending an email that triggers a DKIM or SPF DNS record lookup)
could cause Openswan's pluto IKE daemon to crash or, potentially,
execute arbitrary code with root privileges. With 'oe=yes' but no RSA
key configured, the issue can only be triggered by attackers on the
local network who can control the reverse DNS entry of the target
system. Opportunistic Encryption is disabled by default.
After installing this update, the ipsec service will be restarted
See also :
Update the affected openswan, openswan-debuginfo and / or openswan-doc
Risk factor :
Medium / CVSS Base Score : 6.8
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 66462 ()
CVE ID: CVE-2013-2053
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