Vulnerability CVE-2014-2745
Published: 2014-04-10   Modified: 2014-04-11

Description:
Prosody before 0.9.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack, related to core/portmanager.lua and util/xmppstream.lua.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Prosody -> Prosody 

 References:
http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
http://www.debian.org/security/2014/dsa-2895
http://openwall.com/lists/oss-security/2014/04/09/1
http://openwall.com/lists/oss-security/2014/04/07/7
http://hg.prosody.im/0.9/rev/a97591d2e1ad
http://hg.prosody.im/0.9/rev/1107d66d2ab2
http://blog.prosody.im/prosody-0-9-4-released/
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