Description
Broken Authentication in Atlassian Connect Express (ACE) from version 3.0.2 before version 6.6.0: Atlassian Connect Express is a Node.js package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Express app occurs with a server-to-server JWT or a context JWT. Atlassian Connect Express versions from 3.0.2 before 6.6.0 erroneously accept context JWTs in lifecycle endpoints (such as installation) where only server-to-server JWTs should be accepted, permitting an attacker to send authenticated re-installation events to an app.
Remediation
References
https://community.developer.atlassian.com/t/action-required-atlassian-connect-vulnerability-a%5B%E2%80%A6%5Dypass-of-app-qsh-verification-via-context-jwts/47072
https://confluence.atlassian.com/pages/viewpage.action?pageId=1051986099
https://security.netapp.com/advisory/ntap-20210604-0004/
Related Vulnerabilities
CVE-2021-37580 Vulnerability in maven package org.apache.shenyu:shenyu-admin
CVE-2019-10293 Vulnerability in maven package org.jenkins-ci.plugins:kmap-jenkins
CVE-2011-2204 Vulnerability in maven package tomcat:catalina
CVE-2022-24762 Vulnerability in npm package sysend
CVE-2020-2128 Vulnerability in maven package com.catalogic.ecxjenkins:catalogic-ecx