CVE-2018-18531 – com.github.penggle:kaptcha

Package

Manager: maven
Name: com.github.penggle:kaptcha
Vulnerable Version: >=0 <=2.3.2

Severity

Level: Critical

CVSS v3.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00359 pctl0.57393

Details

Use of Insufficiently Random Values in penggle:kaptcha 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.

Metadata

Created: 2018-10-23T16:08:56Z
Modified: 2022-09-14T21:57:07Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-8q89-pwhh-7wfq/GHSA-8q89-pwhh-7wfq.json
CWE IDs: ["CWE-330"]
Alternative ID: GHSA-8q89-pwhh-7wfq
Finding: F034
Auto approve: 1