Test Kennung:	1.3.6.1.4.1.25623.1.0.881736
Kategorie:	CentOS Local Security Checks
Titel:	CentOS Update for openswan CESA-2013:0827 centos6
Zusammenfassung:	The remote host is missing an update for the 'openswan'; package(s) announced via the referenced advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'openswan' package(s) announced via the referenced advisory. Vulnerability Insight: 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 networks. When using Opportunistic Encryption, Openswan's pluto IKE daemon requests DNS TXT records to obtain public RSA keys of itself and its peers. A buffer overflow flaw was found in Openswan. If Opportunistic Encryption were enabled (/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 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. (CVE-2013-2053) This issue was discovered by Florian Weimer of the Red Hat Product Security Team. All users of openswan are advised to upgrade to these updated packages, which contain backported patches to correct this issue. After installing this update, the ipsec service will be restarted automatically. Affected Software/OS: openswan on CentOS 6 Solution: Please install the updated packages. CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2013-2053 59838 http://www.securityfocus.com/bid/59838 DSA-2893 http://www.debian.org/security/2014/dsa-2893 RHSA-2013:0827 http://rhn.redhat.com/errata/RHSA-2013-0827.html SUSE-SU-2013:1150 http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00008.html [Swan-announce] 20130514 CVE-2013-2052: Libreswan remote buffer overflow in atodn() https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html https://bugzilla.redhat.com/show_bug.cgi?id=960229 https://www.openswan.org/news/13
Copyright	Copyright (C) 2013 Greenbone AG

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