<p>There is no fixed version for <code>com.github.penggle:kaptcha</code>.</p>

Insecure Randomness Affecting com.github.penggle:kaptcha package, versions [0,]

Snyk CVSS

Attack Complexity High

Threat Intelligence

EPSS 0.31% (70^th percentile)

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Snyk ID SNYK-JAVA-COMGITHUBPENGGLE-72734
published 25 Dec 2018
disclosed 19 Oct 2018
credit FanjunMeng

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Introduced: 19 Oct 2018

CVE-2018-18531 Open this link in a new tab CWE-310 Open this link in a new tab

How to fix?

There is no fixed version for com.github.penggle:kaptcha.

Overview

com.github.penggle:kaptcha is a default output produces a google captcha.

Affected versions of this package are vulnerable to Insecure Randomness. text/impl/DefaultTextCreator.java, text/impl/ChineseTextProducer.java, and text/impl/FiveLetterFirstNameTextCreator.java in kaptcha 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.