CVE-2018-6914

Vulnerabilidad de salto de directorio en el método Dir.mktmpdir en la biblioteca tmpdir 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, podría permitir que atacantes creen directorios o archivos arbitrarios mediante un .. (punto punto) en el argumento prefix.

It was found that the tmpdir and tempfile modules did not sanitize their file name argument. An attacker with control over the name could create temporary files and directories outside of the dedicated directory.

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.