plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
- http://www.debian.org/security/2014/dsa-2895
- http://secunia.com/advisories/57710
- http://code.lightwitch.org/metronome/rev/49f47277a411
- http://blog.prosody.im/prosody-0-9-4-released/
- http://hg.prosody.im/0.9/rev/b3b1c9da38fb
- http://openwall.com/lists/oss-security/2014/04/09/1
- http://openwall.com/lists/oss-security/2014/04/07/7
Affected Vendor
lightwitch
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.