5
CVSSv2

CVE-2011-1753

Published: 21/06/2011 Updated: 17/08/2017
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

expat_erl.c in ejabberd prior to 2.1.7 and 3.x prior to 3.0.0-alpha-3, and exmpp prior to 0.9.7, does not properly detect recursion during entity expansion, which allows remote malicious users to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

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process-one ejabberd 2.0.5

process-one ejabberd 2.0.4

process-one ejabberd 1.1.1.1

process-one ejabberd 1.1.0

process-one ejabberd 1.1.1

process-one ejabberd 1.1.14

process-one ejabberd 2.1.2

process-one ejabberd 2.1.1

process-one ejabberd 2.0.3

process-one ejabberd 0.9.1

process-one ejabberd 1.1.1.0

process-one ejabberd 2.0.0

process-one ejabberd 3.0.0

process-one ejabberd 2.1.0

process-one ejabberd 1.0.0

process-one ejabberd 0.9

process-one ejabberd 1.1.3

process-one ejabberd 2.1.5

process-one ejabberd

process-one ejabberd 1.1.2

process-one ejabberd 0.9.8

process-one ejabberd 2.0.2

process-one ejabberd 2.0.1_2

process-one ejabberd 2.1.3

process-one ejabberd 2.1.4

process-one exmpp 0.9.1

process-one exmpp

process-one exmpp 0.9.4

process-one exmpp 0.9.5

process-one exmpp 0.9.2

process-one exmpp 0.9.3

Vendor Advisories

Wouter Coekaerts discovered that ejabberd, a distributed XMPP/Jabber server written in Erlang, is vulnerable to the so-called billion laughs attack because it does not prevent entity expansion on received data This allows an attacker to perform denial of service attacks against the service by sending specially crafted XML data to it For the oldst ...