Test ID:	1.3.6.1.4.1.25623.1.0.800632
Category:	Denial of Service
Title:	strongSwan IKE_SA_INIT and IKE_AUTH DoS Vulnerabilities
Summary:	strongSwan is prone to multiple denial of service (DoS); vulnerabilities.
Description:	Summary: strongSwan is prone to multiple denial of service (DoS) vulnerabilities. Vulnerability Insight: The following vulnerabilities exist: - An error in charon/sa/ike_sa.c charon daemon which results in NULL pointer dereference and crash via an invalid 'IKE_SA_INIT' request that triggers 'an incomplete state, ' followed by a 'CREATE_CHILD_SA' request. - An error in incharon/sa/tasks/child_create.c charon daemon, it switches the NULL checks for TSi and TSr payloads, via an 'IKE_AUTH' request without a 'TSi' or 'TSr' traffic selector. Vulnerability Impact: Successful exploit allows attackers to run arbitrary code, corrupt memory, and can cause a denial of service. Affected Software/OS: strongSwan versions prior to 4.2.15 and 4.3.x prior to 4.3.1 Solution: Update to version 4.3.1, 4.2.15 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2009-1957 BugTraq ID: 35178 http://www.securityfocus.com/bid/35178 Debian Security Information: DSA-1899 (Google Search) http://www.debian.org/security/2009/dsa-1899 https://lists.strongswan.org/pipermail/users/2009-May/003457.html http://secunia.com/advisories/35296 http://secunia.com/advisories/35685 http://secunia.com/advisories/36922 SuSE Security Announcement: SUSE-SR:2009:012 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html Common Vulnerability Exposure (CVE) ID: CVE-2009-1958
Copyright	Copyright (C) 2009 Greenbone Networks GmbH

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