Test ID:	1.3.6.1.4.1.25623.1.0.70455
Category:	Red Hat Local Security Checks
Title:	RedHat Security Advisory RHSA-2011:1422
Summary:	NOSUMMARY
Description:	Description: The remote host is missing updates announced in advisory RHSA-2011:1422. 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. 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 Red Hat Enterprise Linux 5, but enabled by default on Red Hat Enterprise Linux 6. (CVE-2011-4073) Red Hat would like to thank the Openswan project for reporting this issue. Upstream acknowledges Petar Tsankov, Mohammad Torabi Dashti and David Basin of the information security group at ETH Zurich as the original reporters. 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 automatically. Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date http://rhn.redhat.com/errata/RHSA-2011-1422.html Risk factor : Medium
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4073 BugTraq ID: 50440 http://www.securityfocus.com/bid/50440 Debian Security Information: DSA-2374 (Google Search) http://www.debian.org/security/2011/dsa-2374 http://www.redhat.com/support/errata/RHSA-2011-1422.html http://www.securitytracker.com/id?1026268 http://secunia.com/advisories/46678 http://secunia.com/advisories/46681 http://secunia.com/advisories/47342
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