Zcash, before the Sapling network upgrade (2018-10-28), had a counterfeiting vulnerability. A key-generation process, during evaluation of polynomials related to a to-be-proven statement, produced certain bypass elements. Availability of these elements allowed a cheating prover to bypass a consistency check, and consequently transform the proof of one statement into an ostensibly valid proof of a different statement, thereby breaking the soundness of the proof system. This misled the original Sprout…
IF-Statement - это конструкция для некоторого условного выполнения кода. Она позволяет выполнить определенный блок кода в зависимости от того истинно или ложно некоторое условие и согласно официально спецификации ECMAScript, syntax if-statement можно записать как: Читать далее
PbootCMS 1.2.2 allows remote attackers to execute arbitrary PHP code by specifying a .php filename in a "SET GLOBAL general_log_file" statement, followed by a SELECT statement containing this PHP code.
A denial-of-service issue was discovered in the MQTT library in Arm Mbed OS 2017-11-02. The function readMQTTLenString() is called by the function MQTTDeserialize_publish() to get the length and content of the MQTT topic name. In the function readMQTTLenString(), mqttstring->lenstring.len is a part of user input, which can be manipulated. An attacker can simply change it to a larger value to invalidate the if statement so that the statements inside the if statement are skipped, letting the value of…