CVE-2011-1753

https://notcve.org/view.php?id=CVE-2011-1753

expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers 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. expat_erl.c en ejabberd v2.1.7 y v3.x antes de v3.0.0-alpha-3, y exmpp antes de v0.9.7, no detecta correctamente la recursividad durante la expansión de la entidad, lo que permite a atacantes remotos provocar una denegación de servicio ( la memoria y el consumo de CPU ) a través de un documento XML manipulado que contiene un gran número de referencias a entidades anidadas, un problema similar a CVE-2003-1564. • http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html http://secunia.com/advisories/44765 http://secunia.com/advisories/44807 http://secunia.com/advisories/45120 http://www.debian.org/security/2011/dsa-2248 http://www.ejabberd.im/ejabberd-2.1.7 http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7 http://www.securityfocus.com/bid/48072 https:/&#x • CWE-399: Resource Management Errors •