This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
Openswan is a free implementation of Internet Protocol Security
(IPsec) and Internet Key Exchange (IKE). IPsec uses strong
cryptography to provide both authentication and encryption services.
These services allow you to build secure tunnels through untrusted
A use-after-free flaw was found in the way Openswan's pluto IKE daemon
used cryptographic helpers. A remote, authenticated attacker could
send a specially crafted IKE packet that would crash the pluto daemon.
This issue only affected SMP (symmetric multiprocessing) systems that
have the cryptographic helpers enabled. The helpers are disabled by
default on Scientific Linux 5, but enabled by default on Scientific
Linux 6. (CVE-2011-4073)
All users of openswan are advised to upgrade to these updated
packages, which contain a backported patch to correct this issue.
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 : 4.0
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61167 ()
CVE ID: CVE-2011-4073
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