Description
The Ignite Realtime Smack XMPP API 4.x before 4.0.2, and 3.x and 2.x when a custom SSLContext is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Remediation
References
http://op-co.de/CVE-2014-5075.html
http://rhn.redhat.com/errata/RHSA-2015-1176.html
http://secunia.com/advisories/59915
http://www.securityfocus.com/bid/69064
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