CVE-2013-0175

https://notcve.org/view.php?id=CVE-2013-0175

multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156. multi_xml v0.5.2 de Ruby, tal como se utiliza en Grape antes de v0.2.6 y posiblemente otros productos, no restringe debidamente vaciados de valores de cadena, lo que permite a atacantes remotos realizar ataques de inyección a objetos y ejecutar código arbitrario o causar una denegación de servicio (consumo de memoria y CPU) que implica anidadas referencias de entidad XML, mediante el aprovechamiento de apoyo (1) YAML conversión de tipo o (2) la conversión de tipos Symbol, una vulnerabilidad similar a CVE-2013-0156. • http://www.openwall.com/lists/oss-security/2013/01/11/9 https://gist.github.com/nate/d7f6d9f4925f413621aa https://github.com/sferik/multi_xml/pull/34 https://groups.google.com/forum/?fromgroups=#%21topic/ruby-grape/fthDkMgIOa0 https://news.ycombinator.com/item?id=5040457 • CWE-20: Improper Input Validation •