CVE-2014-2744 Information

Description

plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compression while a session is unauthenticated which allows remote attackers to cause a denial of service (resource consumption) via compressed XML elements in an XMPP stream aka an \xmppbomb\ attack.

Reference

http://blog.prosody.im/prosody-0-9-4-released/ http://code.lightwitch.org/metronome/rev/49f47277a411 http://hg.prosody.im/0.9/rev/b3b1c9da38fb http://openwall.com/lists/oss-security/2014/04/07/7 http://openwall.com/lists/oss-security/2014/04/09/1 http://secunia.com/advisories/57710 http://www.debian.org/security/2014/dsa-2895 http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/