qpid is vulnerable to authentication bypass attacks. The vulnerability exists as Apache QPID 0.14, 0.16, and earlier uses a NullAuthenticator mechanism to authenticate catch-up shadow connections to AMQP brokers, which allows remote attackers to bypass authentication.
rhn.redhat.com/errata/RHSA-2012-1277.html
rhn.redhat.com/errata/RHSA-2012-1279.html
secunia.com/advisories/50186
secunia.com/advisories/50698
svn.apache.org/viewvc?view=revision&revision=1352992
www.openwall.com/lists/oss-security/2012/08/09/6
www.securityfocus.com/bid/54954
access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_MRG/2/html/Technical_Notes/sec-Red_Hat_Enterprise_Linux_6.html#RHSA-2012-1279
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=836276
exchange.xforce.ibmcloud.com/vulnerabilities/77568
issues.apache.org/jira/browse/QPID-3849
rhn.redhat.com/errata/RHSA-2012-1279.html