CVE-2014-2744

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• 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/
• 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/