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Gentoo Linux Security Advisory GLSA 201203-13 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: Openswan: Denial of Service |
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Date: March 16, 2012 |
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Bugs: #372961, #389097 |
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ID: 201203-13 |
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Synopsis |
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======== |
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|
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Multiple vulnerabilities in Openswan may create a Denial of Service |
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condition. |
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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 < 2.6.37 >= 2.6.37 |
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Description |
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=========== |
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|
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Two vulnerabilities have been found in Openswan: |
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|
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* Improper permissions are used on /var/run/starter.pid and |
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/var/lock/subsys/ipsec (CVE-2011-2147). |
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* Openswan contains a use-after-free error in the cryptographic helper |
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handler (CVE-2011-4073). |
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|
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Impact |
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====== |
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|
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A remote authenticated attacker or a local attacker may be able to |
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cause a Denial of Service condition. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Openswan users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-misc/openswan-2.6.37" |
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|
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NOTE: This is a legacy GLSA. Updates for all affected architectures are |
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available since November 10, 2011. It is likely that your system is |
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already no longer affected by this issue. |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2011-2147 |
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http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2147 |
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[ 2 ] CVE-2011-4073 |
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http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4073 |
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|
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Availability |
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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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http://security.gentoo.org/glsa/glsa-201203-13.xml |
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Concerns? |
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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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Copyright 2012 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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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 |
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