CVE-2011-1755 – jabberd: DoS via the XML "billion laughs attack"

https://notcve.org/view.php?id=CVE-2011-1755

jabberd2 before 2.2.14 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. jabberd2 antes de v2.2.14 no detecta correctamente la recursividad durante la expansión de la entidad, lo que permite a atacantes remotos provocar una denegación de servicio ( consumo de memoria y 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://codex.xiaoka.com/svn/jabberd2/tags/jabberd-2.2.14/ChangeLog http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061341.html http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061458.html http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061482.html http://secunia.com/advisories/44787 http://secunia.com/advisories/44957 http://secunia.com/advisories/45112 http:/ • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') •