6.3 Medium
AI Score
Confidence
Low
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.03 Low
EPSS
Percentile
90.7%
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.
blog.prosody.im/prosody-0-9-4-released/
hg.prosody.im/0.9/rev/1107d66d2ab2
hg.prosody.im/0.9/rev/a97591d2e1ad
openwall.com/lists/oss-security/2014/04/07/7
openwall.com/lists/oss-security/2014/04/09/1
secunia.com/advisories/57710
www.debian.org/security/2014/dsa-2895
xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/