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Gentoo Linux Security Advisory GLSA 200909-05 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Openswan: Denial of Service |
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Date: September 09, 2009 |
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Bugs: #264346, #275233 |
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ID: 200909-05 |
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|
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Synopsis |
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======== |
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|
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Multiple vulnerabilities in the pluto IKE daemon of Openswan might |
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allow remote attackers to cause a Denial of Service. |
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|
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Background |
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========== |
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|
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Openswan is an implementation of IPsec for Linux. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-misc/openswan < 2.4.15 >= 2.4.15 |
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|
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Description |
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=========== |
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|
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Multiple vulnerabilities have been discovered in Openswan: |
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|
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* Gerd v. Egidy reported a NULL pointer dereference in the Dead Peer |
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Detection of the pluto IKE daemon as included in Openswan |
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(CVE-2009-0790). |
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|
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* The Orange Labs vulnerability research team discovered multiple |
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vulnerabilities in the ASN.1 parser (CVE-2009-2185). |
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|
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Impact |
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====== |
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|
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A remote attacker could exploit these vulnerabilities by sending |
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specially crafted R_U_THERE or R_U_THERE_ACK packets, or a specially |
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crafted X.509 certificate containing a malicious Relative Distinguished |
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Name (RDN), UTCTIME string or GENERALIZEDTIME string to cause a Denial |
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of Service of the pluto IKE daemon. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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All Openswan users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose =net-misc/openswan-2.4.15 |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2009-0790 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0790 |
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[ 2 ] CVE-2009-2185 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2185 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200909-05.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2009 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.5 |