Description
The AMQP type decoder in Apache Qpid 0.20 and earlier allows remote attackers to cause a denial of service (memory consumption and server crash) via a large number of zero width elements in the client-properties map in a connection.start-ok message.
Remediation
References
http://rhn.redhat.com/errata/RHSA-2013-0561.html
http://rhn.redhat.com/errata/RHSA-2013-0562.html
http://secunia.com/advisories/52516
http://svn.apache.org/viewvc?view=revision&revision=1453031
https://bugzilla.redhat.com/show_bug.cgi?id=861234
https://issues.apache.org/jira/browse/QPID-4629
https://issues.apache.org/jira/issues/?jql=fixVersion%20%3D%20%220.21%22%20AND%20project%20%3D%20QPID
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