CVE-2018-18531

Published October 19th, 2018

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CVSS v3

N/A

CVSS v2

MEDIUM

Affected

PROJECT

Description

text/impl/DefaultTextCreator.java, text/impl/ChineseTextProducer.java, and text/impl/FiveLetterFirstNameTextCreator.java in kaptcha 2.3.2 use the Random (rather than SecureRandom) function for generating CAPTCHA values, which makes it easier for remote attackers to bypass intended access restrictions via a brute-force approach.

penggle/kaptcha

kaptcha - A kaptcha generation engine.

GitHub

456