CVE-2018-8780

En Ruby, en versiones anteriores a la 2.2.10, versiones 2.3.x anteriores a la 2.3.7, versiones 2.4.x anteriores a la 2.4.4, versiones 2.5.x anteriores a la 2.5.1 y la versión 2.6.0-preview1, los métodos Dir.open, Dir.new, Dir.entries y Dir.empty? no comprueban los caracteres NULL. Al emplear el método correspondiente, podría realizarse un salto de directorio no intencionado.

It was found that the methods from the Dir class did not properly handle strings containing the NULL byte. An attacker, able to inject NULL bytes in a path, could possibly trigger an unspecified behavior of the ruby script.

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code. It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to access sensitive information. It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to connect to an unintended socket. Various other issues were also addressed.