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Last updated: 8/1/2014 7:52:16 AM

CVE Publication rate: 19.47

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National Cyber Awareness System

Vulnerability Summary for CVE-2014-2744

Original release date: 04/10/2014
Last revised: 04/19/2014
Source: US-CERT/NIST

Overview

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

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: MISC
Name: http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
External Source: CONFIRM
Name: http://hg.prosody.im/0.9/rev/b3b1c9da38fb
Type: Patch Information; Exploit
External Source: SECUNIA
Name: 57710
External Source: MLIST
Name: [oss-security] 20140408 Re: (Openfire M-Link Metronome Prosody Tigase) Possible CVE Request: Uncontrolled Resource Consumption with XMPP-Layer Compression
External Source: CONFIRM
Name: http://code.lightwitch.org/metronome/rev/49f47277a411
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://blog.prosody.im/prosody-0-9-4-released/
Type: Advisory
External Source: MLIST
Name: [oss-security] 20140407 Re: Possible CVE Request: Uncontrolled Resource Consumption with XMPP-Layer Compression
External Source: DEBIAN
Name: DSA-2895

Technical Details

Vulnerability Type (View All)